A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6135-00-643-4843
NSN 5895-00-136-1259
NSN 6620-01-386-5914
NSN 7035-01-062-0184
NSN 5996-01-053-1617
NSN 6145-00-807-3441
NSN 5895-00-643-3980
NSN 5990-00-954-6584
NSN 6105-01-555-8479
NSN 6610-01-169-6134
NSN 7035-01-317-4227
NSN 6685-01-139-7388