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NSNs Tech Characteristics Amd 2 Appdx B.pdf ...Please note that this is the exact file attached under Amendment 1

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Technical Characteristics of

NSNs 1560-014068974 & 2995-009688429

1560-014068974:

For most manufactured components of this item, the material is Aluminum Alloy 356.0-T6 per SAE-AMS- 4260, -4284, -4217, or ASTM B26. Alternate material is 6061-T6, T651, or T6511 per SAE-AMS-QQ- 200/8, SAE-AMS-QQ-225/8, or SAE-AMS-QQ-250/11. The steel component that engages the square drive of the mating assembly is manufactured using 4340 steel per SAE-AMS- 6409, -6414, -6415, -6484 or ASTM A322.

Aluminum parts are to be anodized per MIL-A-8625, Type II, Class I. Exterior surfaces are then to be primed with MIL-PRF-23377, Type I. A topcoat is not required.

The steel component is to be heat treated per SAE-AMS-H-6875 to 25-30 HRC. It is also to be cadmium plated per SAE-AMS-QQ-P-416, Type II, Class I.

This item is used on the SH-60.

2995-009688429:

This item is constructed from 0.032” thick Aluminum Alloy 2024-T3 per ASTM B209. The tubing is ½” OD, 0.035” wall thickness, 2024-T3 aluminum per ASTM B210 or B221.

The assembly is to be Conversion Coated per MIL-DTL-5541 and primed with MIL-PRF-23377, Type I. It is also to be top coated with MIL-PRF-85285, color 27875, 27880, 27885, or 27886 semi-gloss white per

FED-STD-595.

This item is used on the E-2C.

File details come from the government source that posted it. Updated .