A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 4140-01-331-0844
NSN 5990-00-556-9246
NSN 5920-00-947-7393
NSN 5965-01-578-5626
NSN 5996-01-515-6895
NSN 5975-01-558-8392
NSN 5915-01-351-7230
NSN 4140-01-428-2509
NSN 5935-01-181-1672
NSN 6685-00-949-4829
NSN 5925-00-529-3950
NSN 5999-00-008-4217