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 6645-01-627-8040
NSN 5915-01-440-1701
NSN 5975-01-134-2271
NSN 2925-00-261-5800
NSN 7035-00-870-0290
NSN 5855-00-189-6066
NSN 5975-01-302-4892
NSN 7035-01-166-2473
NSN 5985-01-324-4314
NSN 5999-01-184-1557
NSN 5920-01-345-3220
NSN 5945-01-243-4385