A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6620-01-529-2518
NSN 5855-00-862-3345
NSN 6645-00-677-4354
NSN 6145-00-891-6779
NSN 5965-01-553-4970
NSN 5990-01-147-5225
NSN 5996-01-528-6974
NSN 6130-01-055-6219
NSN 6320-01-116-3980
NSN 5925-01-250-5875
NSN 5999-00-244-1589
NSN 5965-00-942-1602