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 6240-01-073-9334
NSN 5975-01-317-3759
NSN 5950-01-128-3750
NSN 6620-00-943-8020
NSN 5985-00-919-2936
NSN 6685-01-322-7801
NSN 6620-01-415-5803
NSN 6110-01-414-8277
NSN 2925-01-297-9759
NSN 6145-01-615-7775
NSN 6610-00-935-7131
NSN 5999-00-410-4305