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 6645-00-829-8868
NSN 6620-00-871-0592
NSN 5998-01-365-5420
NSN 2925-00-188-5003
NSN 5920-01-411-8571
NSN 6150-01-423-8597
NSN 6645-01-147-9265
NSN 5985-01-277-7966
NSN 6320-00-937-5625
NSN 6150-01-660-2429
NSN 6240-00-237-7878
NSN 5910-01-168-6743