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 5960-00-575-5116
NSN 5996-01-631-8490
NSN 5930-00-181-5885
NSN 6320-01-312-3620
NSN 5985-01-234-5924
NSN 6645-01-618-1983
NSN 6650-01-192-9075
NSN 6610-01-367-1640
NSN 5998-00-452-0329
NSN 6320-00-222-1468
NSN 4140-01-630-2131
NSN 5950-01-132-4284