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 5920-00-460-2899
NSN 6685-01-057-7720
NSN 5975-00-858-8293
NSN 6610-00-915-3215
NSN 6645-01-425-2330
NSN 6130-00-846-4961
NSN 5905-01-185-8023
NSN 6150-01-142-4684
NSN 6130-01-538-5265
NSN 6135-01-068-0119
NSN 5945-01-428-4033
NSN 5935-00-184-8540