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 5920-01-104-6198
NSN 5895-01-651-4538
NSN 4140-01-390-4104
NSN 6610-00-377-7956
NSN 5895-00-222-8555
NSN 6320-01-512-2031
NSN 6220-00-732-2026
NSN 5965-00-762-0630
NSN 5915-01-258-6523
NSN 6645-01-588-5591
NSN 6105-00-925-0519
NSN 4140-00-513-1089