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 5998-01-390-6684
NSN 6610-00-211-9095
NSN 5998-01-387-4375
NSN 6645-01-560-9339
NSN 5965-01-147-5847
NSN 6150-00-764-5809
NSN 2925-01-299-6967
NSN 5925-01-437-8384
NSN 6685-01-510-9575
NSN 5855-00-198-3197
NSN 5855-01-248-5725
NSN 5945-00-642-5755