A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5905-00-903-5741
NSN 5905-00-884-4779
NSN 6240-01-303-4051
NSN 2925-00-149-0760
NSN 6110-01-242-1617
NSN 7035-01-411-6062
NSN 6150-01-117-4496
NSN 6685-00-119-6262
NSN 5998-00-103-7985
NSN 6645-00-137-1167
NSN 5855-00-357-1158
NSN 5975-01-255-8914