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 5985-01-401-5387
NSN 6110-01-545-8654
NSN 6620-00-349-4703
NSN 5950-01-044-3658
NSN 6650-01-437-9557
NSN 6320-01-592-6248
NSN 5925-01-250-3925
NSN 5935-00-548-5440
NSN 6110-00-787-6070
NSN 6110-01-474-4280
NSN 6145-01-383-4630
NSN 5895-00-862-5564