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 6110-01-068-3982
NSN 5960-01-567-1096
NSN 5965-01-067-9280
NSN 5925-01-076-4458
NSN 6320-01-411-1353
NSN 6220-01-438-7257
NSN 6620-01-047-5831
NSN 6150-00-954-6122
NSN 6620-01-067-8336
NSN 4140-01-236-6637
NSN 5999-01-208-7302
NSN 5985-01-430-3497