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 5930-01-425-8443
NSN 5998-01-252-8803
NSN 5960-01-385-9361
NSN 5998-00-901-3003
NSN 5990-01-417-4402
NSN 5999-00-805-2150
NSN 5920-01-119-3652
NSN 6240-00-606-8866
NSN 6610-01-245-8015
NSN 6130-01-354-1406
NSN 5950-01-028-6993
NSN 6220-01-644-4742