A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 4140-00-026-0286
NSN 5950-01-619-6471
NSN 6150-01-382-9572
NSN 5950-01-168-8782
NSN 4140-01-500-2334
NSN 2925-01-359-4027
NSN 6685-01-580-9640
NSN 5915-00-139-1628
NSN 5996-00-339-7078
NSN 6110-00-064-7005
NSN 5920-01-423-8595
NSN 6135-01-319-0623