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 5950-01-056-3621
NSN 5965-00-309-4814
NSN 6240-00-256-6410
NSN 4140-00-354-4117
NSN 6130-01-050-3578
NSN 5905-01-044-3568
NSN 5960-01-471-2656
NSN 4140-00-946-2705
NSN 5910-01-255-8836
NSN 5965-01-353-6380
NSN 6620-01-069-0912
NSN 6650-00-217-6292