Attachment 0002 - Clarification of Salt Spray Requirements.pdf

Clarification of FAT / Salt Spray & Production Requirements

**FAT- 5 Panels shall be coated IAW Notes 3 & 4 of DWG’s 15-11-37K, 15-11-38H, 15-11-46J.

**15 parts (EACH item) to be shipped to CAAA for acceptance inspection IAW Notes 3, 4 & 6 of DWG’s 15-11- 37K, 15-1138H, 15-11-46J. (Note 6 Gaging doesn’t apply to DWG 15-11-37K)

From MIL-DTL-51358:

4.3.4.2 Salt spray test. The body assembly and closing disk of the type specified (see 6.2) shall be subjected to a salt spray test in accordance with the requirements of MIL-P-16232.

Para. 4.3.3.2 (c) Body assembly and closing disk. Five body assemblies of each type specified (see 6.2) and closing disk shall be tested in accordance with 4.3.4.2. Non-varnished areas of assemblies shall meet the requirements of MIL-P-16232 for type Z, class 3 for 2 hours.

Para. 4.3.3.2 (d) Body assembly and closing disk after varnish. Five body assemblies of each type specified (see 6.2) with varnish applied per DWG. l5-ll-38 and l5-ll-46 (Body Assy’s) and DWG 15-11-37K (Closing disk), shall be tested in accordance with 4.3.4.2. The varnished areas shall meet the requirements of MIL-P- 16232, for type z, class 3 for 48 hours.

**CAAA will accept Test Panels of same material for Salt Spray Testing in place of actual metal parts.

(CAAA will supply test panels for Salt Spray testing - 20 for FAT / 40 for production). Supplied upon award. *Salt Spray panels need not be shipped back.

** Qty. of 5 Panels for EACH part (total of 20) (M1 & M2 Body Assy. and Closing Disks -1 & -2) to be Salt Spray tested.

** Certificate of Conformance IAW MIL-C-51358 Para. 4.3.3.2, with inspection results.

**The above is to meet the Salt Spray testing requirements. (Note 4)

** CAAA will supply the gages that are to be used to meet Note 6 of DWG 15-11-38H & 15-11-46J. Ring Gage: .820” - #10311-2-1 / Plug Gage: .649”- #10312-2-1 (Return after production completed)

** A Qty. of 15 EACH of M1 & M2 Body Assy. and Closing Disk(s) shall be coated IAW Notes 3 & 4 of DWG’s 15-11-37K, 15-11-38H, 15-11-46J for FAT.

**Certificate of Conformance of Cleaning treatment IAW TT-C-490 Method II & III (Note 3)

**Certificate of Conformance for Surface treatment 5.3.2.3 IAW MIL-STD-171 (Note 3)

** FAT submissions shall be inspected to meet applicable drawing requirements stated above to include Notes 3, 4 & 6. Review of CoC / CoA and inspect for adequate coverage.

** Production Salt Spray requirements: same as above per drawings, except Qty.at a rate of 1 sample panel for every 850 parts ran for EACH item. 5 Salt spray panels Min. Example:

Qty. of 4,254 = 5 samples / Qty. of 12,762 = 15 samples. Results supplied with shipment.

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bridget.m.garnica Comment on Text where is this?

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Description of Purchase

*Crane will provide 4 different components to be cleaned and coated.

M1 Closing Disc (DWG# 15-11-37-1) QTY: 9,744

M2 Closing Disc (DWG# 15-11-37-2) QTY: 3,248

M1 Canister Assembly (DWG# 15-11-38) QTY: 9,744

M2 Canister Assembly (DWG# 15-11-46) QTY: 3,248

M1 Closing Discs (15-11-37-1) QTY: 9,744 & M2 Closing Discs (15-11-37-2) QTY: 3,248 all get cleaned per

TT-C-490/Zinc Phosphate all over MIL-DTL-16232 Type Z CL3 all over. Then apply one coat of phenolic baking varnish, Type II, MIL-DTL-12276E, to the inside surface only.

M1 Canister Assembly (15-11-38) QTY: 9.744 & M2 Canister Assembly (15-11-46) QTY: 3,248 all get abrasive blasted(If needed to remove weld slag), cleaned per TT-C-490/Zinc Phosphate all over MIL-DTL-16232 Type Z

CL3 all over. Then apply one coat of phenolic baking varnish, Type II, MIL-DTL-12276E to inside of canister and OD and ID of inner tube.

All FAT, inspection, documentation needed is stated above. Crane will ship parts to the contractor. Once coated contractor must pack in corrosion resistant bags before returning the parts. VCI (rust preventative) bags will be provided by Crane with shipment of parts. Return packaged as received using the new VCI bags supplied by Crane. DWG 15-11-38 & 15-11-46 Note 9 & DWG 15-11-37 Note 6 not applicable.

• MIL-STD-171---Distribution - A

• MIL-V-12276 / MIL-DTL-12276---Distribution - A

• MIL-A-2550---Distribution - A

• MIL-P-16232 / MIL-DTL-16232---Distribution - A

• TT-C-490 ---Distribution - A bridget.m.garnica where is this?

bridget.m.garnica Comment on Text where are these MILs?

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