A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5925-01-102-4037
NSN 6650-00-552-8377
NSN 2925-00-441-8252
NSN 6650-01-150-7552
NSN 5950-01-495-5051
NSN 5990-00-477-1362
NSN 6135-01-615-0812
NSN 5935-01-091-5908
NSN 6620-01-311-3516
NSN 6130-01-336-6586
NSN 6610-00-469-8534
NSN 5985-00-423-6790