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 6645-01-414-6125
NSN 5895-00-925-2423
NSN 6150-00-834-8795
NSN 5999-01-181-5469
NSN 6145-01-095-1643
NSN 6320-01-094-2634
NSN 6220-01-578-6554
NSN 5925-01-412-6175
NSN 5905-00-456-2047
NSN 5960-00-789-1470
NSN 6145-01-617-7056
NSN 2925-00-386-8745