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 5895-01-102-5129
NSN 5920-01-341-6741
NSN 5965-01-453-4403
NSN 6620-01-353-9224
NSN 4140-01-141-6526
NSN 5835-01-561-2959
NSN 5905-00-032-8576
NSN 5935-01-442-4017
NSN 6130-00-711-0528
NSN 6240-01-351-4516
NSN 6645-00-426-3719
NSN 6240-00-123-4112