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 6320-00-082-5868
NSN 6135-01-554-3803
NSN 6645-01-345-6828
NSN 6105-01-413-3476
NSN 5930-01-104-7248
NSN 5985-00-171-2395
NSN 6105-00-473-2314
NSN 5998-01-430-5572
NSN 5996-01-458-1757
NSN 7035-01-093-5378
NSN 5999-01-417-2123
NSN 2925-01-129-1261