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 6145-01-206-8660
NSN 6610-01-370-8748
NSN 5999-01-311-4125
NSN 6645-01-621-5424
NSN 6105-00-012-2392
NSN 5935-00-869-1639
NSN 6110-01-018-2589
NSN 6145-01-014-5209
NSN 5925-00-125-7502
NSN 5985-01-003-1277
NSN 6130-00-824-1146
NSN 6685-00-950-3575