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 5915-01-256-2584
NSN 5950-01-108-8912
NSN 5985-01-183-2127
NSN 6685-00-108-6374
NSN 5905-01-556-7315
NSN 2925-00-682-5028
NSN 5998-01-259-9488
NSN 5975-00-246-4906
NSN 5905-01-383-1989
NSN 5915-01-268-2832
NSN 5985-01-564-5090
NSN 5915-00-512-3706