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 5935-01-381-0699
NSN 6620-01-588-9278
NSN 2925-01-155-5444
NSN 6610-01-010-2112
NSN 5835-01-447-2544
NSN 6620-01-135-0090
NSN 7035-01-235-6023
NSN 6685-01-391-6790
NSN 6645-01-061-5516
NSN 5965-01-026-9865
NSN 5990-01-074-6549
NSN 6645-00-426-3719