A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6135-00-080-9176
NSN 6650-01-102-5171
NSN 5945-01-142-1053
NSN 5999-01-433-2228
NSN 5920-00-281-2387
NSN 5895-00-519-0202
NSN 5965-01-475-7540
NSN 6620-01-644-8388
NSN 5910-01-529-6105
NSN 6145-01-539-3392
NSN 6135-01-203-9977
NSN 5835-00-325-8206