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 5998-01-585-4029
NSN 6105-01-307-2571
NSN 6685-00-128-2318
NSN 5925-01-424-6010
NSN 6220-01-632-0311
NSN 5998-00-151-4490
NSN 7035-00-978-7837
NSN 6645-01-096-9719
NSN 6110-01-656-5978
NSN 5960-01-431-4291
NSN 5930-00-938-9427
NSN 6645-01-368-1508