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 5998-00-104-5985
NSN 5999-01-123-8409
NSN 6645-01-481-9834
NSN 6145-01-634-0388
NSN 6320-01-444-6640
NSN 6320-01-141-3791
NSN 5905-00-298-1951
NSN 5950-01-033-3597
NSN 6650-01-021-2436
NSN 5905-01-426-0065
NSN 6105-00-423-7963
NSN 6610-01-487-8307