A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5985-01-513-9930
NSN 6620-00-159-0866
NSN 5905-01-136-5636
NSN 5999-01-381-5510
NSN 6650-00-009-9510
NSN 5965-01-264-8761
NSN 5999-01-231-4256
NSN 6240-01-602-8238
NSN 5996-01-628-8624
NSN 5925-00-069-1668
NSN 6240-01-030-4746
NSN 7035-01-371-0091