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 5855-00-586-6255
NSN 6135-00-444-1402
NSN 5996-00-472-9157
NSN 5985-01-062-4677
NSN 5998-00-862-0019
NSN 6645-00-901-6418
NSN 6240-01-387-4948
NSN 5945-00-360-2000
NSN 6220-01-435-6183
NSN 5895-00-278-8092
NSN 5960-00-952-4207
NSN 5855-01-236-9645