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 5975-01-021-3793
NSN 5925-00-971-5633
NSN 6240-01-331-5246
NSN 5985-01-145-4651
NSN 6150-01-259-1629
NSN 5960-01-442-6234
NSN 6620-01-170-8270
NSN 6130-00-570-9948
NSN 6620-01-483-1138
NSN 5855-01-391-7472
NSN 5985-01-411-6301
NSN 6130-00-464-2298