A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-00-530-5310
NSN 6645-01-180-6219
NSN 6650-01-439-4639
NSN 5920-01-605-4486
NSN 5935-01-188-2782
NSN 6650-01-389-0225
NSN 5920-01-450-4248
NSN 5915-01-188-2557
NSN 5990-00-869-2122
NSN 5985-00-062-7033
NSN 6620-00-935-1321
NSN 5945-01-131-7591