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 5998-01-322-7979
NSN 6135-01-177-3552
NSN 5855-00-885-8452
NSN 5990-00-187-5249
NSN 5855-01-280-9735
NSN 6130-01-061-1248
NSN 4140-00-679-9512
NSN 6645-00-108-6479
NSN 5925-01-302-8954
NSN 6135-01-296-1860
NSN 6610-00-091-7347
NSN 6110-01-369-8038