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 5925-01-585-3937
NSN 5935-00-681-1120
NSN 6240-01-213-0143
NSN 6135-01-277-0599
NSN 5990-00-121-2134
NSN 7035-01-490-3832
NSN 6320-00-845-3261
NSN 5960-00-906-6087
NSN 5996-01-416-4916
NSN 6610-00-740-7103
NSN 6130-01-009-4290
NSN 5835-01-026-0670