A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6240-01-391-6027
NSN 6220-01-081-7631
NSN 6645-00-086-9346
NSN 6650-00-142-6147
NSN 6645-00-451-6462
NSN 5920-01-430-6921
NSN 5965-01-486-3564
NSN 5930-01-249-8206
NSN 6105-01-144-5473
NSN 5915-01-373-1708
NSN 5985-01-496-2611
NSN 6145-01-469-4254