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 5985-01-412-4961
NSN 5920-00-161-2813
NSN 7035-01-301-6325
NSN 6150-00-026-4216
NSN 2925-01-231-6312
NSN 6220-01-040-1406
NSN 6135-00-826-4798
NSN 5975-00-872-6131
NSN 6135-01-370-9441
NSN 2925-00-254-9776
NSN 5925-01-543-2640
NSN 5945-01-010-4296