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 5945-01-308-3377
NSN 6685-01-263-7715
NSN 5925-01-317-2483
NSN 6320-01-411-6610
NSN 6610-00-678-5752
NSN 6645-00-408-3537
NSN 5996-00-155-4586
NSN 5855-01-384-4914
NSN 2925-00-159-9003
NSN 6620-01-583-7089
NSN 5895-01-370-4323
NSN 5935-01-451-5982