A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5996-01-486-9030
NSN 6685-01-481-3690
NSN 5930-00-847-7232
NSN 6135-01-565-3284
NSN 5975-01-363-8875
NSN 4140-00-886-1710
NSN 6240-01-487-8757
NSN 5998-01-342-6138
NSN 5915-01-592-4639
NSN 6620-00-292-7000
NSN 5920-00-889-6064
NSN 6240-00-135-3385