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 6145-01-592-3297
NSN 5925-01-524-4264
NSN 6685-01-512-0600
NSN 2925-01-208-6638
NSN 5925-01-320-2498
NSN 4140-01-023-1537
NSN 5965-00-009-8679
NSN 7035-00-152-0055
NSN 6145-00-787-7313
NSN 5945-00-176-0545
NSN 5905-01-368-1704
NSN 5905-01-518-8868