A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 4140-01-008-9708
NSN 6135-01-205-5965
NSN 6645-01-041-3533
NSN 6320-00-977-3930
NSN 6130-01-311-4303
NSN 6240-01-563-0096
NSN 6220-00-215-0170
NSN 5895-00-513-0249
NSN 6240-01-448-6212
NSN 5950-01-508-1938
NSN 6610-01-302-6347
NSN 5998-01-340-5331