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 6220-01-461-7335
NSN 5996-00-147-4120
NSN 6645-00-928-7208
NSN 6220-00-940-0625
NSN 6145-01-396-5647
NSN 5985-00-326-5547
NSN 5910-01-382-9288
NSN 6150-01-353-4825
NSN 6145-01-235-7639
NSN 5996-01-498-4336
NSN 6610-00-670-7802
NSN 6320-00-925-0558