MIL-DTL-60525B
4.5.3.5 Protective finish. The number of units for protective finish tests shall be in accordance
with the applicable specification. Failure of any sample in the inspection sample to comply with
the requirements of the applicable specification shall be cause for rejection of the lot.
4.5.3.6 Residual magnetism. Each assembly shall be subjected to the test for excessive residual
magnetism. Failure of any unit in the inspection sample to comply with the requirements of 3.9
shall be cause for rejection of the assembly.
4.6 Test methods and procedures.
4.6.1 Hardness. Prior to the application of protective finish, a hardness tester shall be used to
determine compliance with the requirements of the applicable drawing.
4.6.2 Hydrostatic pressure. Prior to the application of protective finish, the cap and chamber shall
be mounted in the device, using a fixture for properly sealing all openings, and subjected to the
internal hydrostatic pressure to determine compliance with the requirement of 3.4.
4.6.3 Firing pin release. The initiator pin of each partial assembly consisting of all parts except
the safety pin and chamber shall be subjected to the firing pin release test. Failure of any partial
assembly to comply with the requirements of 3.5 shall be cause for rejection of the subassembly.
To achieve the pull force requirements of 18-25 pounds specified in paragraph 3.5, selective
reassembly may be necessary (i.e., changing initiator pins) for those assemblies which are
initially out of range.
4.6.4 Initiator pin security. The subassembly shall be secured in the fixture with the safety pin in
place. A pull shall be applied to the initiator pin in the longitudinal direction in conjunction with
the fixture which registers the amount of pull. The test shall be performed with the safety pin in
both positions.
4.6.5 Protective finish. Test procedures for protective finish shall be in accordance with the
applicable specification referenced on the applicable drawing.
4.6.6 Residual magnetism. The assembly shall be tested for excessive residual magnetism using
an approved compass in an area free of local magnetic effects by placing the assembly 5 inches
from the end and at the same height as the compass, in a north-south horizontal position (cap end
at south) with the compass set in an east-west heading. The assembly shall be moved at a speed
no greater than 10 feet per minute past the compass for its entire length, rotated 90 degrees in the
horizontal position about its longitudinal axis, and moved slowly back past the compass. This
procedure shall be repeated for each 90 degree rotation of the assembly for 4 full passes.
4.7 Inspection of packaging. The sampling and inspection of the packing, and container marking
shall be in accordance with the requirements of section 5.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the
contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house
contractor personnel, these personnel need to contact the responsible packaging activity to
ascertain packaging requirements. Packaging requirements are maintained by the Inventory
Control Point's packaging activities within the Military Service or Defense Agency, or within the
military service's system commands. Packaging data retrieval is available from the managing
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