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 6240-01-443-0519
NSN 5985-01-201-9239
NSN 5895-01-046-2001
NSN 6130-01-052-4059
NSN 5990-01-517-7848
NSN 5905-01-219-3396
NSN 6135-00-686-4777
NSN 5999-01-533-3246
NSN 6150-01-218-4507
NSN 6105-01-015-9006
NSN 5930-01-630-7608
NSN 5925-01-487-8190