A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-01-069-4240
NSN 6320-00-024-1004
NSN 6105-01-502-8831
NSN 5990-01-013-8464
NSN 5998-01-211-5609
NSN 6130-01-452-4572
NSN 5945-01-462-5234
NSN 5855-01-040-0107
NSN 6320-00-295-2854
NSN 6650-01-325-1576
NSN 5855-01-109-1807
NSN 5985-00-916-5504