A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5996-00-936-4415
NSN 5975-01-519-3084
NSN 5835-01-172-5884
NSN 6145-01-347-3336
NSN 5985-01-286-3690
NSN 5925-01-152-2690
NSN 7035-01-287-9817
NSN 5975-01-158-6582
NSN 5920-01-079-3632
NSN 5835-01-104-5707
NSN 5935-00-082-1432
NSN 4140-01-571-7811