A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5935-01-541-3758
NSN 2925-01-510-9378
NSN 6130-01-123-4126
NSN 5945-01-658-0487
NSN 5835-01-481-4204
NSN 6645-01-193-4118
NSN 6220-00-635-8818
NSN 5960-01-531-4845
NSN 5855-01-623-6879
NSN 5920-01-240-2362
NSN 5835-01-432-6185
NSN 2925-01-530-6727