A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-01-195-0242
NSN 7035-00-849-5526
NSN 5999-01-410-7802
NSN 5998-00-288-5533
NSN 5950-01-386-7702
NSN 5990-01-442-3520
NSN 5930-01-152-1909
NSN 5930-00-451-4200
NSN 5945-01-305-5203
NSN 5945-00-518-8524
NSN 5930-00-947-0546
NSN 5895-01-656-9044