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 6650-01-204-5981
NSN 5999-01-072-4962
NSN 6620-01-168-1615
NSN 5996-00-153-9055
NSN 6620-01-094-6549
NSN 5910-01-106-4488
NSN 6645-01-646-2953
NSN 6145-01-087-0350
NSN 5915-00-009-6297
NSN 5998-01-626-1750
NSN 5996-01-400-3558
NSN 6320-00-779-5923