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 5835-00-155-1379
NSN 5965-00-518-0958
NSN 6645-01-519-3007
NSN 5910-01-368-3865
NSN 7035-01-555-8793
NSN 5998-00-615-2763
NSN 5985-01-454-4143
NSN 5905-01-435-7881
NSN 5920-00-672-0691
NSN 5998-00-528-2352
NSN 5998-00-801-7925
NSN 5975-01-517-5113