A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6650-01-523-2302
NSN 5915-01-411-1503
NSN 5996-01-642-9154
NSN 5905-01-570-4618
NSN 5945-01-281-0483
NSN 5925-00-886-5440
NSN 6150-00-730-7439
NSN 6110-00-926-0781
NSN 4140-01-587-3998
NSN 5960-01-323-6432
NSN 6240-00-702-1814
NSN 6240-01-163-2813
Last Updated: 08/06/2025