A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-01-013-5397
NSN 5910-01-010-1575
NSN 5990-01-426-7350
NSN 5915-00-530-5067
NSN 5910-00-060-6769
NSN 5999-01-338-8831
NSN 5945-01-534-3291
NSN 5835-01-303-6563
NSN 6650-01-051-2021
NSN 6610-00-086-8036
NSN 5925-00-286-8502
NSN 6320-01-195-5583