A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6220-01-164-3651
NSN 6220-01-614-4842
NSN 6150-01-628-7349
NSN 5975-01-007-3498
NSN 5990-00-660-8608
NSN 5855-00-107-7993
NSN 5915-00-087-7072
NSN 5985-01-222-2497
NSN 5950-00-660-9497
NSN 6645-01-246-2725
NSN 5960-00-090-2991
NSN 5998-01-508-5090