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 6135-01-177-3552
NSN 5950-01-294-3708
NSN 5925-00-946-9423
NSN 4140-01-620-2498
NSN 6135-01-529-8523
NSN 6240-01-327-4120
NSN 5935-00-097-7584
NSN 6220-01-385-3485
NSN 4140-01-381-4752
NSN 6610-00-483-9810
NSN 6645-00-177-0826
NSN 6240-00-419-3196