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 5950-01-470-0823
NSN 5975-00-275-0820
NSN 6645-01-285-4284
NSN 5910-00-866-6616
NSN 6135-00-542-6216
NSN 6130-00-530-3737
NSN 6105-01-276-5362
NSN 5975-01-435-4461
NSN 5915-01-201-0333
NSN 5945-00-868-7145
NSN 5999-01-088-8386
NSN 5998-00-393-5825