A part, assembly, or system identified as essential to weapon system perfomance or operation to preserve life and safety of personnel
NSN 6220-01-524-2276
NSN 6145-01-553-3481
NSN 5930-01-299-6970
NSN 2925-01-181-3972
NSN 4140-01-400-3610
NSN 5950-01-547-1863
NSN 6645-00-226-0657
NSN 5985-00-152-8833
NSN 6105-01-359-0401
NSN 2925-01-243-0328
NSN 5996-01-516-9152
NSN 5855-00-132-4898