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 4140-00-078-2944
NSN 6320-00-450-7014
NSN 5985-01-516-6669
NSN 6610-00-075-6194
NSN 5975-00-080-4633
NSN 6620-00-155-2608
NSN 5975-00-582-1460
NSN 2925-01-125-9169
NSN 5975-01-205-6343
NSN 5985-01-408-5194
NSN 6130-01-573-6156
NSN 6220-00-266-8222