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 6110-01-327-3670
NSN 6135-00-950-0604
NSN 5920-00-519-7664
NSN 6645-01-076-4655
NSN 5835-01-394-3812
NSN 6220-01-417-7514
NSN 6130-01-099-6912
NSN 5998-00-093-0397
NSN 5905-00-055-9356
NSN 5990-01-510-4699
NSN 2925-01-633-4048
NSN 5960-01-477-7632