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 6110-01-498-7956
NSN 5895-01-619-9040
NSN 5905-01-056-5095
NSN 6105-00-316-3799
NSN 6645-01-258-6188
NSN 5945-00-234-0806
NSN 6110-01-643-9664
NSN 5925-01-197-2586
NSN 6110-01-156-0708
NSN 6150-01-567-8090
NSN 6685-01-187-1550
NSN 6105-01-604-8621