A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6145-01-582-4266
NSN 5930-01-444-1204
NSN 5925-01-652-0650
NSN 7035-00-529-3128
NSN 5895-00-803-9829
NSN 5855-01-384-3314
NSN 5910-00-505-2258
NSN 5996-01-283-6729
NSN 5920-00-126-1873
NSN 5975-01-480-7133
NSN 4140-00-701-0406
NSN 7035-00-275-5604