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 5998-00-541-8792
NSN 5835-01-126-9358
NSN 6145-01-064-8818
NSN 5999-01-360-1530
NSN 5835-00-617-3578
NSN 5905-00-878-5469
NSN 5985-01-089-8621
NSN 6145-00-001-6754
NSN 5910-00-327-4458
NSN 6685-01-370-2610
NSN 5999-01-326-4614
NSN 5975-01-411-6054