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 5910-00-647-4059
NSN 6610-01-649-5326
NSN 6240-00-258-2389
NSN 7035-01-437-4137
NSN 6620-01-068-4498
NSN 5905-01-295-9043
NSN 6620-01-655-4591
NSN 6220-00-548-1999
NSN 2925-00-201-8247
NSN 5960-01-106-3086
NSN 4140-00-707-5963
NSN 6240-01-476-7935