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 5996-01-313-1497
NSN 2925-01-041-8201
NSN 5996-00-231-9322
NSN 6220-01-138-1622
NSN 6240-01-607-3775
NSN 6220-01-424-5621
NSN 6220-01-168-9383
NSN 5985-00-542-0597
NSN 5999-01-242-6954
NSN 4140-01-481-4237
NSN 5998-01-381-2285
NSN 6145-01-444-1346