A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-01-062-2684
NSN 5950-01-019-8047
NSN 5965-01-345-7493
NSN 5915-01-152-1263
NSN 6220-01-216-3407
NSN 5950-01-056-5157
NSN 6645-01-560-0738
NSN 5925-00-559-1109
NSN 6135-01-577-5532
NSN 5910-00-470-7883
NSN 5999-01-353-2805
NSN 6135-01-051-7836