An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5990-01-510-4699
NSN 6620-01-619-3980
NSN 5965-01-026-1752
NSN 6620-00-234-8918
NSN 2925-01-618-5706
NSN 6220-01-418-3976
NSN 6685-01-599-0813
NSN 6620-00-248-6950
NSN 4140-01-233-7303
NSN 5895-01-291-4469
NSN 5920-00-479-5254
NSN 5985-00-852-6192