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 6150-01-476-6327
NSN 6645-01-096-9719
NSN 6685-00-949-8962
NSN 5895-01-082-6864
NSN 6320-01-627-8295
NSN 6150-01-319-3917
NSN 4140-01-484-9753
NSN 5990-01-646-8048
NSN 6240-01-224-7656
NSN 6685-00-164-7014
NSN 5855-01-069-4742
NSN 5895-01-403-2793