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 6105-00-790-0371
NSN 5920-01-444-9935
NSN 6685-01-220-9354
NSN 2925-01-140-1015
NSN 5920-01-430-1823
NSN 6610-01-621-9504
NSN 5855-01-546-5421
NSN 5999-01-391-4841
NSN 4140-00-155-8012
NSN 5905-01-570-6765
NSN 5999-01-316-1037
NSN 5945-01-209-9891