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 5960-00-552-1940
NSN 6135-00-862-5736
NSN 5965-01-003-2641
NSN 6685-01-447-5633
NSN 5835-00-870-7034
NSN 5985-01-160-1743
NSN 5915-00-925-7362
NSN 5965-00-527-8818
NSN 6620-00-096-1658
NSN 5835-01-408-7576
NSN 6130-00-419-1120
NSN 6320-01-160-7757