A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 2925-00-979-3620
NSN 5835-00-311-5491
NSN 7035-01-454-7722
NSN 7035-01-386-5722
NSN 5998-01-338-8880
NSN 6145-00-192-0691
NSN 5965-01-493-4060
NSN 6645-00-557-0322
NSN 5905-01-420-5081
NSN 5999-01-654-6831
NSN 6320-00-110-8005
NSN 6685-01-033-8562