FED-STD-297E 1 AUG 90 with Jan 96 attachment up date.pdf

FED-STD-297E

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SUPERSEDING

FED-STD-297D

October 1. 1985

FEDERAL STANDARD

RUSTPROOFINGOF COMMERCIAL

(NONTACZICAL)VEHICLES

~. Approved fo~ pu~l.icrelease: distribution is unlimited.

Source: https://assist.dla.mil -- Downloaded: 2022-08-04T23:57Z Check the source to verify that this is the current version before use.

FED-STB297E

GENERAL SERVICES AIMINISTRATION

Washington. D- C. 20301

Rustproofing of Commercial (Nontactical)Vehicles.

1. This Federal Standard is approved by the Commissioner, Federal Supply Service. General Services Administration. for the use of all Federal Agencies.

2. Beneficial comments (recommendations?additions. deletions) ~d my pertinent data which may be of use in improving this document should be addressed to: US Army Tank-Automotive Conmand, A’I’TN:AMSTA-UED, Warren. MI 48397-5000. by using the self-addressed Standardization Document Improvement proposal (.DD~orm 1426) appearti at the end ‘f ‘his ‘ocment ‘r W letter-ii

FRD=STD-Z9’7E

FOREWRD

This standard establishes requirements for rustproofing of commercial.

nontactical, self-propelled and towed vehicles procured for Government use.

iii

Paragraph 1..

2.

2.1 2.1.1 2.1.2

3.

4.

4.1 .4.2 4.3 4.4 4.5 4.6

5.

5.1 5.1-1 5.1.2 5.1.3 5.2 5.2.1 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.11.1

1.

2.

3.

FED-STW297E

SCOPE -------------- -------

REFERENCEDDOCUMENTS . . ---- -------

Issues of documents . . . . ---’ ------ Government documents . . . . . - - - - . - - - Other Government documents . . . . - . - - -’-

DEFINITIONS ----------- ------

GENERAL REQUIREMENTS .’----- -------

I?ustproofing---------- ------- Identification -------- -------- Materials ---------- --” ------ Instructions . . . . . ---- -------- Contractor inspection system . . - Workmanship ---------- -------

DETAILED ------------ -------

Application equipment - . . - . - - . - - - - Spray gun ---------- -------- Wands ------------- ------” Spray nozzles . . .. ---- -------- Application procedure . . . - - - - - - - - - Film thickness . . . . . ..- -------- Access end drain holes- Application areas . ------------- Prohibited areas ------ -------- Truck bodies .”------- -------- Trailers. semitrailers and dollies Buees ------------- ------- Ambulances ---------- -------- Scooters ----------- ----- ”-..

Tropical rustproofing . . - - - - - . - . - - LOSS of appearance, tropical rustProof* - -

FIGURES

Rustproofing - front end assembly Rustproofing - automobile . . - . - - . ● . .

Rustproofing - truck =sembly - . - - . - - -

4-5

6-10 10-13

18-21

I iv

I

FED+TD-Z97E

1. smPE

1. m. This standard establishes requirements for rustproofing of commercial, nontactical, Self-pro=lled ~d towed vehiclesproc~ed for Government use.

2. REFERENCEDDOCUMENTS

* 2.1 ~- The following documents of the issue in effect on date of invitation for bids on request for proposal. form a part of this standard to the extent specified herein.

* 2.1.1 ~. The following specifications form apart of this standard to the extent specified herein.

SPECIFICATIONS

MILITARY

MIL-C-17504

MIL-M-43719

MIL-C-62218

(Unlessotherwise indicated.

Coating. Compound. Acrylic. Clear.

Marking Materials and Markers. Adhesive.

Elastomeric. Pigmented: General Specification For.

Corrosion Preventive Compound. Cold Application (For Fielded Motor Vehicles).

copies of military specificationsare available from the Naval Wblications and Forms Center. Military Specifications and Standards. Bldg. 4D. 700 Robbins Avenue. Philadelphia. PA 19111-5094.)

*“ 2.1.2 ~- The following other ~vernment documents form a part of this standard to the extent specified herein.

DEPARTMENTOF LABOR

Occupational Safety and Health Administration (OSHA)

Safety and Health Regulations

(Applications for copies of OSHA publications should reference the Code of Federal Regulations, Title 29. and should be addressed to the Superintendent of Documents, U.S. Government Printing Office, Washington.

D. C. 20402.)

I

3. DEFINITIONS

The terms used in this standard are commonly understood by the technical conununityto which they apply and are not used here in such a way to introduce new or limited meanings.

4. GENERALREQUIREMENTS

* 4-1 &stDro~fang-

When rustproofing is required by specificationsor other procurement documents, the vehicle, including galvanized and aluminum surfaces, shall be provided with rustproofing as specified herein. Stainless steel edges abutting parts requiring rustproofing shall also be rustproofed.

Pretreated aluminum such as anodized. alodined and phosphate dipped:

fiberglass, plastic. rubber or stainless steel surfaces need not be rustproofed.

4.2 ~. A decal identifying the rustproofing processor shall be mounted in a visible location inside the vehicle, on the edge of the door on the driver-s side. or under the hood. The decal shall conform to MIL-M-43719 type 1, class 1, shall be coated with cleer acrylic compound conforming to MIL-C-17504. and shall include at least the following information:

(a) Contractor/companyrustproofing the vehicle.

(b) Rustproofing material used and its manufacturer.

(c) Date vehicle was rustproofed.

* 4.3 Materials The rustproofing compound used shallbe a qualified productconforming-toMIL-C-62218.The qualifiedproductshallnot be dilutedwith solventsor otherthinnerspriorto use. The compoundmay be heatedwith a drumheaterwhen appliedin coldweatheror in unheatedareas.

The compoundshallnot causedeteriorationto anY materialused in automotive construction.Applicationof the rustproofingcompoundshallprevent corrosion(rusting)of vehiclesunderall severeenvironmentalconditions.

Theseconditionsincludebut are not limitedto the following:

(a) Acid rain

(b) Heavyrainfall

(c) Highhumidity

(d) Snow

(e) Salt spray

(f) Industrialpollutant

(g) Atmosphere pollutant.

4.4 Illustrated rustproofing instructions covering the

vehicle to be rustproofed shall be prepared end maintained by the contractor in technical menual form. (One rustproofing manual covering several similar vehicle types is acceptable.) The manuals shall specify required tools+ materials, procedures and applications for proper rustproofing of the specific vehicle. Procedures in the manual shall include detailed drawings that specifically show where holes are to be drilled. and how access is to be obtained to provide complete coverage for all specified areas of the vehicle. The material shall be applied by trained rustproofing technicians

I’C i?ED-STD-297B and in accordance with all applicable OSW Standards and Regulations. A copy of the manual shall be furnished to the authorized Government Procuring Agency-s Quality Assurance representativeprior to rustproofing any vehicle under the contract.

4.5 .actor . The contractorshallprovideand maintaina writteninspectionsystemcoveringmaterials,tools,technical trainingand inspectionproceduresused underthe contract. The inspection systemshalldescribeinspectionsand levelsof inspection,includingthe acceptance/rejectioncriteriafor vehicletreatment,prohibitedapplication, and coating application of rustproofing compound. The inspectionprocedures shall provide for the verification of process controls necessary to insure cleanliness of surface to be treated. the maintenance of proper temperature and viscosity of the rustproofing compound at the time of application and other process controls which cannot be verified subsequent to application of the compound. Inspection reportsshallbe submittedto the authorized Governmentqualityassurancerepresentatives.

* 4.6 . Workmanshipshallbe of suchqualityas to assurethat applicationof corrosionpreventivecompoundto all vehiclesundercontract shallconformto the rustproofinginstructionspreparedby the contractorand to the requirementsof this standard. Particularattentionshallbe paid to the requirementof an evenlyappliedcoatingwith no excessiverunning.

sagging,or build-up. Any oversprayof materialon body finish.trim.

windows,or upholsteryshallbe removedwithoutcausingdamageto anY componentor material(paint,rubber,plastic.etc.). Any overspraythatmay accumulatein prohibitedareas (see5.5) shallbe removedwith a cleancloth and solvent. such as naphtha. A minimum amount of solvent shouldbe used to remove deposits of compound from the upholstery. Necessary precaution shall be taken to assure that the solvent used does not cause damage to rubber padding, upholstery, adhesives, and any other prohibited areas (see 5.5). In addition, for tropical rustproofing, see 5.11.1.

5. DETAILEDREQUIREMENTS

* 5.1.1 Sprav eun. h airless atomization type gun designed for fluid pressure atomization shall be used. The spray gun shall be capable of spraying the rustproofing component on vertical or horizontal surfaces without abnormal fatime to the o~rator. Material passages shall be adequate for material demand required for spraying with a-minimum drop in

‘ pressure. The gun shall consist of a body, wand. and necessary parts for the assembly of nozzle, material valve, filter connection and trigger. A gun which provides a fog or air-atomization areas such as box section construction, doors.

spray may be used only rocker panels. quarter in enclosed panels, end

5.1.2 w. A seriesof wands are requiredfor rustproofingof the vehicleshallbe provided. Eachwand shallbe designedfor rustproofingof specificareasof the vehicleand shallbe capableof operatingthrough1/2 inchaccessholes. The seriesshallincluderigid.flexibleand angular types (90 degreesand 45 degrees). Wendswithmulti-directionalspray capabilityshallhave indicatorsshowingthe directionof the spray.

5.1.3 S~Q. The spraynozzlesshallbe equippedwith tungsten

carbide.stainlesssteelor brasstips. .015-.026inchsize.capableof providingflat-fanand cone spraypatterns.

* 5.2 ~rnxww+durs . Vehiclesshallbe clean.dry and freefrom loosematerialspriorto applicationof rustproofingcompounds.Vehicles that have accumulateddepositsof rust,mud. dirt,oil and greaseshallbe cleanedby any suitablemeans,such as powerwaterwashing,steamcleaningor mechanicalmeans suchas wire brushingand improvisedtools. Allowvehicles to air dry a minimumof 24 hours,afterany powerwaterwashing.before applyingrustproofingcompound. Blowingof air. in lieuof dryingby air for 24 hours.is also acceptable.Duringapplicationof rustproofingcompound.

particularattentionshallbe givento thoseareasof the vehiclethat are most susceptibleto corrosionsuch as seams.welds,crevices.and hidden recessedareas. Duringcleaningand applicationprocedures.the operator shallprocessthe vehiclein a well ventilatedarea,with adequatelighting, and shallwear protectiveclothingsuch as goggles,faceshields,ribber gloves,apronsand boots.

5.2.1 ~ The rustproofingcompoundshallbe appliedto a film thicknessof not les;than 4 roilswhen the film is dry to the touch.

5.3 ~ One-halfinchaccessholesshallbe drilled for insertionof spraywandsto-applyrustproofingcompoundand for inspectionpurposes. The locationof the holesshallbe as specifiedin the instructionmanual (see4.4). .Boxed-inareasshallhave accessholesdrilled on no greaterthan 18 inchcenters. Afterapplication.the holes shallbe sealedwith weatherresistantplasticor’rubbercaps. Drainholesused for applicationof compoundshallnot be sealed.I

* 5.4 ~areas . Vehiclesshallbe rustproofedin accordance with the instruction manual prepared by the contractor (see 4.4) and in accordance with this standard. Table I and figures 1, 2 and 3 shall be used in the preparation of such instruction manuals which shall show the specific application areas of the vehicle to be rustproofed.

TABLE 1. tvro@ areas- au~ tmcks

Area Front assembly

Fenders fHood and deck ;lid

CQWl

I

Roof I

Autcm@zle

Insidesurfaceof radiator shield,insidesurfaceof grillepanelassembly supports,gravelshield panel,headerPanel(if sheetsteel),frontfender lightand headlight-associatedhardware(see figures1(C)and 1(D)].

Completefenderwells:

eyebrows;undersidesof fenders;all enclosed, boxed-in,and support sections(seefigurel(A) and 1(E)).

Front edge or section of hood. all underside areas of the hood. except insul-ated surfaces. Rear area of deck lid where moisture may settle or may be retained. Complete inside of all boxed-in or support sections (see figures 1(B) and 2(E)).

Complete inside of all enclosed or boxed-in support sections and double paneled sections (see figure 2(A)).

N/A

Inside surface of radiator shield, inside surface of grille panel assembly supports, gravel shield panel, front fender light and headlight-associated hardware (see figure 3(J))-

Complete’fenderwells:

eyebrows;undersidesof fenders:all enclosed, boxed-in,and support sections(seefigure3(H) and 3(K)).

Front edge or section of hood. all underside areas of the hood, except insul-ated surfaces. Rear area of deck lid where moisture may settle or may be retained. Complete inside of all boxed-in or support ~ sections. Outside flat ~ surface of the cowl fire ~ wall except insulated areas ~ (see figure 3(.D))-

Completeinsideof all j enclosedor boxed-in I support sections and double I p&&led sections(seefigure

I

3(L)).

Trucks with cab: All inside roof seams> roof supports~ drip rail seams,,and roof ;

shelvesincludingall boxed-inareasof the roof

I

I

TABLE 1. areas le~ and tr@ig . - (Cmt inued)

Area Doors

Pillars

Dog legs

Rockerpanels

Quarterpanel

Rear lights

Rear trunk and panel

Tailgate/back doors

Front and rear - insideof outer panel including front.

rear and bottom panel. hem flange(bottomseam)and adjacentareas (seefigure 2(H)).

Inside front, center and rear pillars at bases (see figure (2(K)).

All internal areas and boxed-in sections (see figure (2(J)).

All inner areas and boxed-in sections (see figure 2(G)).

t

Insidequarterpanel,rear j fenderwell,boxed-inand ~ doublepanelsections(see , figures2(E) and 2(L)). j

Quarterpanel light wells ~ and rear lights wells (see ~ figure 2(F)).

Rear trunkand panel assemblyand all boxed-in ~ or doublepaneledareasand ~ seamsincludingthe hinging area of the deck lid and rear gravelshield(see :

figures2(C)).

Stationwagontailgate: ~ completeinsidesurfacesof the outerpanel,lower ~ paneland all seems (see figure2(C)).

Trmk Front.rear,and side- j insideof outerpanel includingfront,rearand ~ bottompaneland upper frame.hem flsnge.(bottom ~ seam)and adjacentareas ~ (seefigure3(A)). II

Completeinsidefront, ~ centerand rearpillarsto ~ roof line {seefigure3(E));

i All internalareasand ~ boxed-insections(see !

figure3(F)]. 1

All innerareasand boxed-i?

sections(seefigure3(G))., Insidequarter panel, rear ~ fender well, boxed-in and ~ double panel sections (see figures 2(E) and 2(L)). ~

Quarterpanellightwells and rear lightwells (see ~ figure3(S)).

Rear storagecompartment ;

and panel assembly and all boxed-in or double paneled :

areas and seems including the hinging area of the deck lid and rear gravel shield (see figure 3(R)).

Van and pickup trucks: all rear double paneled and boxed-in sections as well as any tailgates and doors to be treated the same as front doors to roof line

TABLE 1.

Dronflng areas allt~ t- . - (Continued)

Mea Underside The completeunderside The completeunderside includingmetal fuel truck includingmetalfuel (donot drop fueltank), tank(s)(donot drop fuel floor,wheelhousing,fen- tank(s)),floor,wheel der lips,brakefluidlines housing,fenderlips,brake gas lines,supportclips, fluidlines,gas lines, rear axlesthatcarrybrake supportclips,frontand lines(exceptdifferential rearbumperbracketsand centralsection)end exposedareas. Lighttruck exposed-areas.Unitized fremesof integraldesign constructionincluding (boxes,rails.)and all completeframeand inside appropriatemetal.

and outsidesurfaces.

Body floor All undersidebody floor All undersidebody floor supports supports;enclosedand Supports;end crossmembers:

boxed-insections.aewell enclosedand boxed-in as exposedareas. sectionsas well as exposed areas(seefities 3(N) and 3(P)).

Seamsand All openseemsand All open seamsand moldings metal-to-metal metal-to-metal

(non-adhesivebacked) (non-adhesivebacked) moldingsare to be sealed. moldingsare to be sealed.

Cab interior N/A Abovewindshield,aboverea windowand behindseat(s) (seefigures3(.V),3(W) and 3(X)).

Body interior N/A ‘ Van and suburbantruckswit doublewall structure, insideof roofedges.

Undersideof N/A Completeunderside(see tilt cab figure3(Y)).

Tilt cab door N/A See figures3(Z) and3(AA)) area

9 I

TABLE 1. lha~t~ro~as - aut~mckulegand t- . . . - (Continued) c ~=

Other body H/A Inside all enclosed, .’

requirements boxed-in and double Weled areas including doors or gates to roof line and roof through overhang inner seams; insulated bodies in uninsulated areas up to the see 5.6.

5.5 Ih@ibikd arm~~.

The application of rustproofing compound. The prohibitedareasshallinclude,but shallbe not limitedto, areasspecifiedin tableII. Prohibitedareasshallbe listedin the instructionmanual(see4.4).

TABLE II. Prohibitedms.tpronti areas- auhmbikq and t-

Area Areano. 1 Frontassembly f-

Area no. 2 Hoot assembly and deck lid

Area no. 3 Er@ine compartment c.

c.

e.

f.

g-

Grilleexteriorsurface Lightwell etierior surface Radiatorexterior surfaceand radiator top,bottomand end tanks

Hood exteriorsurface Dataplates,stickers or labels Hood lockworkingparts

Electricalconnections Drivebelts (general) Radiatorcore Throttlelinkage Batteryand battery cables Air cleanerassembly Horn assembly et tubes compound shall be prohibited on components, assemblies, andsubassemblies whose function, duration of life or appearance could be reduced by the c.

c.

d.

e.

f.

Grilleexteriorsurface Lightwell exterior surface Radiatorexterior surfaceand radiator top,bottomand end tanks

Hood exteriorsurface Dataplates,stickers or labels Hood lockworkingparts Electricalconnections

Electricalconnections Drive belts (general) Radiatorcore Throttlelinkage Batteryand battery cables Air cleanerassembly g- Horn assembly et tubes f

Area

Area no. 4 Door assemblies i.

j-k.

1.

m.

n.

0.

P.

q-r.

; c.., ~d.

:e.

Area no. 5 Rear a.

of vehicle

~b.

;c.

, d.

,e.

f.

Insulated surfaces on fire wall and under hood Alternator/generator Emission A.I-R. pump Air conditioning compressor Air conditioning condenser Engine fen/fan clutch assembly Carburetor Intake/exhaust manifold Air conditioning cooler Power steering cooler.

Door exterior surface Auto interior door surface I

Door seals Windows and trim ~ Side mirrors

Trunk lid exterior ‘ surface Trunk area surface ~ Trunk electrical :

wiring connections ~ Station wagon tailgate ~ exteriorsurface Tailgateupholstery, j trimand windows Bumperexterior surface Trunk lockworking ;

Truck t i.

k.

1.

m.

n.

0.

P-q-r.

s.

c.

d.

e.

a.

b.

c.

d.

e:

parts.

f.

h.

Transmissioncooler Insulatedsurfaceson firewall and under hood and electrical components Alternator/generator EmissionA.I-R.pumP Air conditioning compressor Air conditioning condenser Enginefan/fanclutch assembly Carburetor Intake/exhaust manifold Air conditioning cooler.

Powersteeringcooler

Door exteriorsurface Truckinteriordoor surface Door seals Windowsand trim Sidemirrors.

Paneland van door(s) (single and double) exteriorsurface Tailgateexterior surface(pickupand othermodels) Electricalwiring connections Rear storage compartmentexterior surface Air brakehose couplings Trailerhitch Fifthwheel(tractor) Deckplates{tractnr)

“1

I

I

TABLE II. -ited rustrmoou areas - aut~ addruch -- (tintinued)

I Area I Area no. 6 Exteriorof vehicle

Area no. 7 !Underside of Ivehicle

I

I

I

All visible exterior finish painted surfaces.

windows. lights and trim where rustproofing is not specifically required by table I.

a.

b.

e.

f.

i.

j.

Engineexhaustsystem includingcatalytic converter(s) Heat shields Oil pan Driveshaftand universaljoints Brakedrums Starter Componentbreathers Blockageof drain holesor passages Wheelend tire surfaces Transmissionhousing

Area no 8 Interiorof vehicle a.

b.

‘c.

; d.

e.

Visible interior finish painted surfaces not specifically required to be rustproofed by table I (or 5.8 when tropical rustproofing is specified) Upholstery Glass and trim Window seals Seat belts

All visibleexteriorfinish~ paintedsurfaces.windows, lightsand trimwhere rustproofingis not specificallyrequiredby tableI. \ c.

d.

m.

n.

0.

P- Q-r.

a.

b.

c.

d.

e.

Engineexhaustsystem Heat shields Oil pan Propellershaftsend universaljoints Air chambers Bearingboxes Powertakeoffunits Parkingbrakemechanism Brakedrums Starter Componentbreathers Liquidtanker dispensingequipment Blockageof drainholes or passages Transmission housing Moisture ejector Air dryer Slack adjusters Transfer case housing.

Visible interior finish painted surfaces not specifically required to be rustproofed by table I (or 5-8 when tropical rustproofing is specified) Upholstery Sunvisors Windshield trim, glass end seals Side end rear window

I

I

I t i.

J-k.

1.

m.

n.

0.

Seatbelt retractors .!

Seat adjusting ~ ‘.

mechanism I g- Floor mats ~ h.

Floor surface. when ~ i.

floor mat is not I j.

provided as a standard ~ and is not available ;

as an optional item ; k.

Inside roof surface ~ 1.

when headliner is not ~ provided as a standard ;

and is not an optional,4 Item Styrofoam headliner ‘ m.

bonded to roof surface Cardboard headliner Steering wheel and controls n.

Pedals: Gas. brake. o.

Clutch

P-q.

r.

Driver-sand passenger-sseats Seatbelts Seatbelt anchors Seatbelt retractors Seat adjusting mechanism (working parts) Floor mats Floor surface. when floor mat is not provided as a standard and is not available as an optional item Inside roof surface when headliner is not provided as a standard and is not an optional item Dome light assembly Styrofosmheadliner bondedto roofsurface :

Cerdboardheadliner Steeringwheeland ‘ controls Pedals: Gas.brake

5.6 . The complete underside of truck bodies mounted on chassis shall be rustproofed, including complete fender wells and underside of fenders. Rustproofing shall be applied to all enclosed, boxed-in and support sectioni: double paneled sections: all inside roof seems; roof supports; drip r“ailseams and roof shelves; all boxed-in areas of the overhang; inside of light wells; and to supporting clips. Insulated areas of bodies need not be titproofed. The interior surfaces of 10 gage (.0.1345inch) end thicker structural steel members sealed by continuous welds need not be rustproofed.

* 5.7 T.raihrs.~~rsauMdhes- . . . The completeundersideof trailers,semitrailersand dolliesshallbe rustproofed,including,allsides of the crossmembersand on the insidesurfaces(bottom,tier sides.but not top) of the main framemembersand side rails. All frameenclosedsurfaces (fifthwheelplate,lights),box sections,brakelties,lightingcontiit, clipsall otherframeundersideexposedareas,and body areasas mentionedin table I opposite“’Otherbody requirements”shallalsobe rustproofed.

FED-STD-Z97E

* 5.8 Buses. The chassisand completeunderbodyshallbe rustproofed, includingfenders,skirtsand wheelwells.

* 5.9 ~. The chassisand comp~eteunderbodyshallbe rustproofed,includingfenders,skirtsand wheelwells.

* 5.10 Scooter~ electr~.. . Scootersshallbe rustproofedin accordancewith the truckrequirementsherein.

* 5.11 lh2pic&rllfi~

. The additionalvehicleareasto M covered:

when tropicalrustproofingis specified,*“11 be shownin the illustrated rustproofingmanualpreparedby the contractor(see4.4). All areasof the vehicle,includingsuchadditionalareas,shallbe coatedwith two coatsof the rustproofingcompoundappliedwith a fourhour dryingtimebetweencoats.

Examplesof the additionalareasto be covered,when tropicalrustproofingis specified,are as follows:

(a)

(b) (c)

(d)

(e)

* (f]

* (g)

Roof: When a headlineris spacedfromthe roof surfacewith roof bows,the insideareasof the roofand roofpanelshallbe &stproofed (seetableII).

Pillars,up to the roof.

Floor: Underfloormat, completeinteriorof floor. When floormat is “notprovidedas a standardand is not availableas an optional item,the floorsurfaceshallnot be rustproofed(seetable11).

Area abovefueltank(s). When areaabovefueltsnk(s)is not accessiblefor,applicationof rustproofingcompound.the fuel tank(s)shallbe droppedor lowered.topermitaccessto the surfaces abovethe tank.

Engineoil pan, transmissionpan,batteryterminals.bottomtankof radiatorand similarparts requiringprotectionin tropicalareas.

Pretreatedaluminumand stainlesssteelsurfacesotherwiseexempted by 4.1.

Chassis,completeexposedframe,inside*d out.

* 5.11.1 troDti rustDrnoflllg

-arawe. Care in preserving the finalappearanceof the vehicleaftertropicalru&proofingshallbe evident,but it is recognizedby the Governmentthat someunsightlyevidence of rustproofingmay be unavoidablewith tropicalrustproofing.

NOTICE: Asterisksare used in this revisionto identifychahgeswith respect to the Previousissue. Biddersand contractorsare cautionedto evaluatethe requirements of this document based on the marginal notations and relationship to the entire content regardless of the last previous issue.

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CHANGE NOTICES ARE NOT CUMULATIVE FED-STD-297E

AND SHALL BE RETAINED UNTIL SUCH CHANGE NOTICE 1

TIME AS THE STANDARD IS REVISED January 11, 1996

FEDERAL STANDARD

RUSTPROOFING OF COMMERCIAL

(NONTACTICAL)VEHICLES

Thefollowingchanges,whichformapartofFED-STD-297E,datedAugust1,1990,isapprovedbythe GeneralServicesAdministration,forusebyallfederalagencies.

REMOVE: TitlepageofAugust1,1990

ADD: TitlepageofJanuary11,1996

RETAINTHISCHANGE NOTICEAND PLACE ITBEFORE THE FIRSTPAGE OF THE STANDARD.

FSC23GP

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Augus 1.199t o

CHANGE NOTICE1

January 11, 1996

FEDERAL STANDARD

ENGINEERING PRACTICES FOR RUSTPROOFING

OF COMMERCIAL (NONTACTICAL) VEHICLES

AMSC NIA

DISTRIBUTION STATEMENT A.

FSC 23GP

Approvedforpublicrelease;distributionisunlimited.

Supersedes Title page of August 1,1990.

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