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 6645-01-142-2416
NSN 5998-01-352-2493
NSN 5965-01-043-5295
NSN 5985-01-431-8882
NSN 5999-01-437-6569
NSN 5935-01-020-8274
NSN 5835-00-393-1996
NSN 6610-00-877-1029
NSN 6145-01-650-3070
NSN 5990-01-555-6616
NSN 6685-01-576-5848
NSN 5945-01-032-4742