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 5960-00-866-0232
NSN 5895-01-359-6614
NSN 5999-00-144-4361
NSN 5855-01-307-7440
NSN 4140-01-269-7104
NSN 6145-01-605-3228
NSN 6220-00-243-2288
NSN 5999-01-496-6890
NSN 5905-00-415-1013
NSN 5960-01-480-0994
NSN 5985-01-571-7480
NSN 6320-01-365-2701