Essential to weapon system performance or operation, or the preservation of life or safety of operating personnel
NSN 6610-00-516-4228
NSN 5998-01-257-1339
NSN 5925-01-634-0664
NSN 5975-00-535-3939
NSN 5985-00-292-9206
NSN 6150-01-529-6756
NSN 7035-01-469-5854
NSN 2925-00-993-7715
NSN 5960-01-358-9733
NSN 5960-01-599-9821
NSN 6320-00-925-0558
NSN 6320-01-458-9567