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 6220-00-528-7752
NSN 6220-01-232-4439
NSN 5925-01-528-6976
NSN 5855-00-446-5921
NSN 5910-00-067-5682
NSN 6645-01-449-1824
NSN 5975-00-451-5001
NSN 5855-01-323-5394
NSN 5835-01-555-8963
NSN 6220-00-379-4044
NSN 6620-01-225-9510
NSN 6320-01-651-5210