A part, assembly, or system identified as essential to weapon system perfomance or operation to preserve life and safety of personnel
NSN 5975-01-415-5650
NSN 5965-01-222-1420
NSN 6650-00-936-7910
NSN 6620-01-106-3553
NSN 5920-01-641-4080
NSN 5990-00-924-4167
NSN 6110-00-537-6012
NSN 5960-01-274-7628
NSN 5920-01-010-3293
NSN 6610-01-153-8625
NSN 6645-00-313-2324
NSN 5960-01-017-5449