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 6145-00-646-0941
NSN 5998-00-155-3576
NSN 5999-01-438-7658
NSN 5905-00-035-5252
NSN 5960-00-452-6043
NSN 6240-01-566-2718
NSN 5999-00-691-6334
NSN 6220-01-200-6461
NSN 5990-01-425-2175
NSN 5930-00-822-6020
NSN 5930-01-510-9650
NSN 6685-01-095-0278