A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5910-01-241-4355
NSN 6145-00-719-7395
NSN 4140-01-503-0034
NSN 5905-01-592-7138
NSN 5935-01-543-7779
NSN 5930-01-026-0157
NSN 5930-01-230-6572
NSN 5910-01-108-3056
NSN 6620-01-255-7757
NSN 6145-00-987-3401
NSN 6620-00-193-9503
NSN 6220-01-158-0918