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 6645-01-262-8493
NSN 2925-01-556-0333
NSN 7035-00-480-6767
NSN 6150-01-430-5558
NSN 6685-01-449-4984
NSN 6610-01-039-0788
NSN 7035-01-571-2356
NSN 6130-01-517-4274
NSN 5965-00-868-8711
NSN 6620-00-801-8885
NSN 6645-01-172-6838
NSN 2925-01-138-0808