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 5920-00-539-6920
NSN 5925-01-359-1972
NSN 6320-00-242-3300
NSN 6320-01-082-2459
NSN 6145-01-427-3520
NSN 5945-01-443-3423
NSN 5965-00-052-9184
NSN 5965-01-575-2388
NSN 5985-01-480-6364
NSN 5960-00-315-0358
NSN 6110-01-351-1674
NSN 6645-01-230-9728