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 6135-01-469-7574
NSN 5895-00-596-8678
NSN 5895-01-144-7485
NSN 5905-01-460-8053
NSN 5985-00-118-9864
NSN 5965-00-760-5404
NSN 5998-00-173-4021
NSN 5930-01-391-8430
NSN 7035-00-360-2008
NSN 5965-00-553-6898
NSN 2925-01-329-3665
NSN 5996-00-497-3809