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 6610-00-722-7472
NSN 5950-01-060-6641
NSN 5999-00-187-2767
NSN 5835-00-911-6330
NSN 5990-00-660-8885
NSN 6645-00-674-9728
NSN 6645-01-187-3704
NSN 5950-01-335-3442
NSN 6620-01-177-5567
NSN 6685-01-282-3017
NSN 6220-00-827-7423
NSN 6110-01-575-7889