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 6685-01-411-5969
NSN 5930-01-420-6372
NSN 6110-01-435-6610
NSN 6610-01-067-0228
NSN 5835-00-665-3395
NSN 5930-00-022-2756
NSN 5915-01-136-4035
NSN 5950-01-483-1789
NSN 6135-01-522-3386
NSN 5905-01-353-0284
NSN 4140-01-541-7030
NSN 5950-01-218-4462