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 2925-00-936-9344
NSN 5920-01-219-8792
NSN 6685-01-191-7744
NSN 5990-01-014-1280
NSN 5975-01-411-6054
NSN 6610-01-162-4882
NSN 6650-01-614-3302
NSN 2925-01-387-0870
NSN 6240-01-451-1409
NSN 5930-01-201-4528
NSN 6135-01-008-4595
NSN 5950-00-725-4043