Functioning of head assembly

Page Title: Functioning of head assembly
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MIL-F-45060D (PA)

*4.5.2 Functioning of head assembly. - The release pin

safety pin, interlocking safety pin and the striker safety pin

shall be removed in that order. The sample shall be divided

into two equal groups of head assemblies. One group, including

the odd assembly, shall be subjected to a 12.0 pound maximum

pull, applied at a rate of one foot maximum per minute to the

release spring. The remaining group of' head assemblies shall

be subjected to a 20.0 pound maximum pressure, applied at a rate

of one foot maximum per minute to any one prong or equally

distributed to all three prongs. The pressure shall be parallel

to the axis of' the head assembly (see 6.5).

4.5.3 Spring embrittlement. - The springs and rings shall

be pulled to the minimum point of permanent distortion by any

method approved by the procuring activity. Springs and rings

so tested shall be scrapped.

4.5.4 Plating thickness test. - The applicable components

shall be tested for plating thickness in accordance with QQ-Z-

325 for zinc plated parts and QQ-P-416 for cadmium plated parts.

4.5.5 Salt spray resistance. - The test shall be performed

as specified in QQ-Z-325 for zinc plated parts and as specified

in QQ-P-416 for cadmium plated parts with-the exception-that

exposure shall consist of 24 hours white salts and 48 hours red

rust. Parts so tested shall be scrapped or replated.

4.5.6 Plating adhesion test. - The applicable components

shall be tested for plating adhesion in accordance with QQ-Z-

325 for zinc plated parts and QQ-P-416 for cadmium plated parts.

5. PREPARATION FOR DELIVERY

5.1 Preservation and packaging

5.1.1 Level C. - Head assemblies and components shall be

packaged in accordance with MIL-STD-1169.

5.2 Packing

5.2.1 Level C. - Head assemblies and components shall be

shall

packed in accordance with MIL-STD-1169.

5.3 Marking. - Marking shall be in accordance with MIL-

STD-1169.

6. NOTES

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