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 5920-00-819-3518
NSN 5905-01-281-7351
NSN 5945-01-329-6179
NSN 5915-00-142-6912
NSN 5915-01-397-5568
NSN 6685-01-480-6030
NSN 2925-01-244-3016
NSN 4140-01-415-5595
NSN 5960-01-167-8796
NSN 6220-01-092-8959
NSN 5996-01-274-7595
NSN 5985-01-152-5133