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 5895-01-147-6126
NSN 6650-01-216-2707
NSN 5950-00-218-4922
NSN 4140-01-659-1246
NSN 6620-01-604-3810
NSN 6320-00-456-2092
NSN 6685-00-419-0643
NSN 6650-01-412-4217
NSN 5915-01-406-8554
NSN 6685-00-604-4370
NSN 6645-00-526-9476
NSN 5945-00-932-1399