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 4140-00-455-9645
NSN 6320-00-377-5683
NSN 5910-00-637-2609
NSN 5950-01-453-5782
NSN 6110-01-410-5076
NSN 7035-00-283-3112
NSN 5960-01-506-7039
NSN 4140-00-415-6513
NSN 5915-01-446-5028
NSN 5975-01-619-6900
NSN 5920-01-655-4019
NSN 5925-01-164-8546