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 4140-01-252-8902
NSN 5835-01-087-3960
NSN 5905-01-035-8523
NSN 6110-01-346-0671
NSN 6150-00-875-0739
NSN 6320-00-994-0179
NSN 5835-00-498-8189
NSN 5925-01-469-5498
NSN 5996-00-126-4786
NSN 4140-01-232-5127
NSN 5835-00-783-6620
NSN 6150-00-285-6083