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 5915-01-323-7771
NSN 5999-01-549-8972
NSN 6620-01-633-8443
NSN 6105-01-268-3409
NSN 5999-01-517-0649
NSN 6105-00-941-6493
NSN 5910-01-330-7101
NSN 5960-00-735-9246
NSN 6320-01-441-2438
NSN 5990-01-259-7138
NSN 5950-01-346-9706
NSN 6220-01-007-1912