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 6130-01-610-3150
NSN 4140-00-660-8699
NSN 2925-00-221-8529
NSN 5985-01-599-1912
NSN 6145-01-354-6349
NSN 6645-01-334-0782
NSN 5925-00-144-0482
NSN 5915-01-390-2625
NSN 2925-01-032-3814
NSN 5910-01-036-7698
NSN 6650-00-578-6543
NSN 6610-01-602-9619