A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5930-01-033-0791
NSN 6240-01-624-3473
NSN 5990-01-423-2219
NSN 5905-01-043-2387
NSN 6135-00-985-7846
NSN 6610-00-253-7676
NSN 5905-01-472-2366
NSN 5945-01-523-2245
NSN 5985-01-302-2321
NSN 5915-01-290-9833
NSN 5985-00-023-5705
NSN 5960-01-259-3846