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 6645-00-106-0140
NSN 6650-01-280-1778
NSN 5999-01-192-8825
NSN 2925-01-507-4797
NSN 6135-00-334-4500
NSN 5835-01-307-8954
NSN 5990-00-936-7299
NSN 6105-01-578-1292
NSN 5975-01-207-9298
NSN 4140-01-490-3752
NSN 6685-00-051-8850
NSN 5915-00-140-2886