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 5935-00-871-9545
NSN 5960-01-426-4242
NSN 5996-01-017-1309
NSN 5985-01-552-0960
NSN 6150-01-477-2186
NSN 5945-00-448-6876
NSN 6220-01-604-8043
NSN 5895-01-080-8272
NSN 5835-01-291-5405
NSN 6220-01-270-4761
NSN 6685-01-383-6961
NSN 5965-00-877-9197