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 5990-01-590-4515
NSN 5990-00-652-2249
NSN 4140-00-255-7799
NSN 6145-01-023-5532
NSN 6240-00-797-4600
NSN 7035-00-803-3056
NSN 6105-01-316-9961
NSN 6645-01-534-5545
NSN 6620-01-476-7355
NSN 6150-00-256-0301
NSN 4140-01-343-0501
NSN 5910-01-276-9931