MIL-E-24091C_AMENDMENT-1.pdf

MIL-E-24091C(SH)

AMENDMENT 1

21 September 1990

. MILITARY SPECIFICATION “ “

EXTINGUISHER, FIRE PORTABLE POTASSIUM BICARBONA~

DRY CHEMIC& CARTIUDG~OPERATED TYPE

This amendment forms a partof MILE-24091C(SH), dated26 November 1986, .;“ and isapprovedforuse by theNaval‘SeaSystems(lnnnmd, Department of “:.:.

theNavy and isavailableforuse by allDepartments and Agencies of the “.I “ ‘“

- Defense

PAGE 4,

3.4: Delete and substitute:

“3.4 Overall dimension. The extinguisher shall have the following dimension:

Size1 (inches) Size 2 (inches) Height Max. 24 Max. 25 Diameter 61/2 & 1/2 7~li2°

3.4.1: Delete in its entirety

3.5.1: Delete and substitute:

“ 3.5.1 Ihtinwkher.The extinguishershallbe operatedby a carbondioxide cartridge located outside of the extinguisher.”

AMSC NIA FSC 4210

DISTRIBUTION STATEMENT A Approved for public release; distribution is unliited.

Downloaded from http://www.everyspec.com

AMENDMENT-1

3.5.2.3: Add at the beginning of the paragraph:

“The cartridge receiver shall be sidewall mounted external to the extinguisher shell. The cartridge receiver shall be designed so that it will remain attached to the shell during exchange and replacement of the gas cartridge.”

3.5.2.3.1: Third sentence, change words “cartridge guard” to “cartridge receiver”. ~ ,,.::,?, .. .: ‘.“.J .’ PAGE 6

3.5.2.5: Third sentence, delete “the shell and.

3.5.2.11:Deleteandsubstitute: . .

“3.5.2.11 Nozzleholder.A holstertypenozzleholdershallbe attachedtothe -shell.”

4.3: Delete and substitute:

“4.3 First article inspection. Except where otherwise specified, two extinguishers of each class shall be examined and tested as specified in Table II. If either sample extinguisher fads any test or examination, the extinguisher represented for first article inspection shall be rejected. (see 6.3)”

4-3.1:Deleteinitsentirety:

4.4: Delete and substitute:

“4.4ouali~ conformance inspection.The sample extinguishersselectedinaccordance with4.4.2shallbe subjectedto examinationand testas specifiedinTable II. Any sample which fails any quality conformance inspection shall be defected and rejection number of defective exceeds the acce~tance number of defective, the lot represented by the sample shall be rejected.Ifany~ampleextingukherfailsanyqualityconformanceinspection;

thelotrepresentedby thesampleshallbe rejected.(see6.2.2).”

I

MILE-24091 C(SH)

AMENDMENT-1

4.4.2: Delete and substitute:

“4.4.2 Sarn~linF for qualitv conformance. A random sample of extinguishers shall be selected from each lot in accordance with level H of MIL-STD-105.”

PAGE 11 “.*.

Table II: Add as new Table 11

TABLE II. First article inspections.

Requirements . ..’

Visual Exam 3.2 - 3.5 “ (4.6) 3.7 - 3.9

Leakage test 3.5.2.1 [4.7.1)

Discharge tests (4.7.2) at OW at 7(PF at 12@F

Fue extinguishing (4.73)

Pressure retention (4.7,4)

Operational test of nozzle (4.7.5) puncture (4.7.6) mounting bracket (4.7.7

Corrosion test (4.7.8)

Wxation test (4.7.9)

Shock test (4.7.10)

Drop test (4.7.11)

Hydrostatic test

3.6.1.1 and 3.6.1.2

3.6.1.3 and 3.6.1.4 3.6.1.5

3.6.2

4.7.4

3.6.3 3.6.4 3.6.5

3.6.6

3.6.7

3.6.8

3.6.9

3.5.21 and 3.6~10 (4.7.12)

Magnetic permeability 3.2 (4.7.13)”

. . “First Article

3, x x

Quality Conformance x x x

I

4.5: Delete in its entirety:

4.6: Delete and substitute:

“4.6 Visual examination.

as specified in Table 1.”

4.6.1: Delete in

4.6.2: Delete in

4.7: Delete and itsentirety:

itsentirety:

substitute:

MIL-E-24091C(SH)

AMENDMENT-1

Each sampleextingukhershallbe hspectedfordefects

“4.7 ~Tests. The tests as specified in conductedwiththeextinguisherfilledto 3.2.4and chargedwitha gascartridgeas

4.7.4 through 4.7.13 (except 4.7.12) shall be tlie rdted capacity with dry chemical as specified in specified in 3.5.2.4.”

4.7.8: Delete and substitute:

“4.7.8 Corrosion resistance. The extinguisher and cartridge guard in position, shall be locked in its mounting bracket and placed upright in a salt spray solution in accordance with ASTM B 117. The test shall be conducted continuously for 480 hours with wet and dry cycling periods of 24 hours each. During a dry period the fog shall be turned off and the chamber be opened.”

4.7.9: First sentence, delete “(see 4.6.2)”.

, PAGE 14

4.7.10: First sentence, delete “(see 4.6.2)”.

4.7.11: First sentence, delete “(see 4.6.2)”.

Ahamm-1

6.22: Under titie “Parauaph no.”, delete “4.62” and “43.1” substitute “4.4”

6.22 Under title “Data rrxmirement title”, delete “Fret article inspection report” and “Inspection and test reports”and’substitute “Reports, test”.

. ...” ~ 6.22 Under titIe ‘Amdicable DID no.”, delete TX-T-532Y and “DI-T+902°. ..-substitute “DI-T-2072”.

6-2.2: Under title “O~tion”, delete “kvel 3“ and substitute “Level 2“.

Preparing activity

NAVY-SH

(Project 421O-N416)