A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5945-01-056-5035
NSN 6105-00-961-4531
NSN 5999-00-253-5226
NSN 5985-01-339-9743
NSN 7035-01-263-5463
NSN 4140-01-055-6355
NSN 2925-01-425-7087
NSN 6150-01-452-9626
NSN 5920-01-077-1756
NSN 5855-01-519-3814
NSN 6110-00-719-7209
NSN 6130-01-324-7937