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 6620-01-028-0504
NSN 6130-01-491-9516
NSN 5965-01-139-5472
NSN 6110-01-090-0804
NSN 5965-01-554-1271
NSN 5945-01-483-9724
NSN 6610-00-516-4228
NSN 5990-01-529-7307
NSN 5985-01-412-4726
NSN 6150-01-032-2916
NSN 5950-00-954-8158
NSN 5996-01-269-8010