A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6110-01-419-1968
NSN 5930-01-242-0055
NSN 5905-01-334-3602
NSN 5998-00-982-2079
NSN 4140-01-025-1555
NSN 6650-01-251-5213
NSN 2925-00-233-5644
NSN 6130-01-261-9099
NSN 5975-00-278-7437
NSN 5990-00-059-3449
NSN 6685-01-519-9250
NSN 6620-00-707-4195