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 6610-01-394-4944
NSN 5985-01-416-8820
NSN 5895-00-909-9450
NSN 5990-01-346-5422
NSN 6645-01-258-5558
NSN 5990-00-254-4825
NSN 6610-01-394-7695
NSN 5935-01-535-2954
NSN 6610-01-606-2144
NSN 5915-01-507-1880
NSN 5910-00-451-8914
NSN 5996-01-518-3732