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 5910-01-326-8364
NSN 6620-01-474-4951
NSN 5950-01-623-8121
NSN 5985-00-584-3795
NSN 5950-01-416-5090
NSN 6220-01-193-6542
NSN 4140-01-101-9946
NSN 5950-01-336-6462
NSN 5905-01-428-4028
NSN 6130-01-230-1503
NSN 5999-01-243-1665
NSN 5905-01-252-9097