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 5905-01-018-2248
NSN 4140-01-059-8730
NSN 5985-01-537-5279
NSN 5999-01-439-5711
NSN 5960-01-512-0233
NSN 6645-00-064-9839
NSN 5999-01-070-3531
NSN 5975-01-541-1940
NSN 4140-01-289-5999
NSN 6610-01-174-6820
NSN 5855-01-397-6300
NSN 6130-01-533-3771