A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-00-830-1395
NSN 6320-01-180-9908
NSN 5999-01-143-0388
NSN 2925-01-553-3546
NSN 5895-01-153-0536
NSN 5985-01-197-6999
NSN 6620-00-613-3023
NSN 5999-01-045-8475
NSN 5905-00-251-3181
NSN 6135-01-180-9611
NSN 6220-01-415-3350
NSN 5930-00-624-4923