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 6650-01-197-4585
NSN 5985-00-971-6998
NSN 6610-00-504-2839
NSN 5910-00-248-6899
NSN 6620-00-766-1002
NSN 5998-01-038-5752
NSN 6150-01-398-9850
NSN 5925-01-378-6857
NSN 5990-00-045-7929
NSN 6620-01-571-7727
NSN 6650-01-470-1315
NSN 2925-00-228-8854