MIL-I-46576 Initiator, Cartridge Actuated, M5A2 AssemblyThis specification covers the requirements for the M5A2 Cartridge Actuated Initiator Assembly see 6.1.

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MIL-I-46576A(OS)

4.2.2 Examination. One hundred percent examination shall be performed for all critical defects. Examination for major and minor defects shall be performed in accordance with the classification of defects. Four power (4x) magnification may be used for inspection of such defects as burr and foreign matter. When compliance with the applicable requirement is in doubt as a result of visual examination, the characteristic shall be measured or gaged to determine acceptability. All nonconforming material shall be rejected.

4.2.2.1 Cartridge, Drawing 8594157, covering a detail of Drawing 8596170.

Characteristics Critical	Defect	Method of Inspection
1	Mixed cartridges	Visual
2	Metal defective	Visual
Major 101	Foreign matter present	Visual
Minor 201	Case scratched, wrinkled, bulged, or dented	Visual
202	Varnish missing or inadequate	Visual

4.2.2.2 Assembly, Drawing 8596170, less all drawings except Drawings 8593012, 8594744, 8594745, MS28775-009 and MS28775-214.

Critical 1	Firing pin protrusion	Gage
2	Shear pin not engaged in firing pin	Visual
3	Shear pin setscrew missing	Visual
Major 101	O-ring not lubricated	Visual
102	Burr	Visual
103	Foreign matter	Visual
Minor None defined

4.2.2.3 Assembly, Drawing 8596170, less all drawings except Drawings 8593012, 8593013, 8594744,

8594745, MS28775-009, and MS28775-214.

Critical
1	Cartridge loose or missing	Visual/Manual
2	Cartridge retainer loose	Visual/Manual
3	Metering groove of cartridge retainer missing	Visual
4 Major	Elongated hole of cartridge retainer missing	Visual