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 6620-00-248-6950
NSN 5905-01-627-8052
NSN 5915-01-528-1950
NSN 6610-01-593-2428
NSN 5999-01-471-3889
NSN 5905-00-116-0529
NSN 5920-00-620-4780
NSN 6650-01-423-9772
NSN 5985-01-449-2992
NSN 6135-01-142-2417
NSN 6645-01-157-9103
NSN 5920-01-398-5514