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 5910-01-441-3690
NSN 6620-01-287-9975
NSN 2925-01-474-3363
NSN 4140-00-277-4184
NSN 5998-01-423-8434
NSN 5996-00-525-1777
NSN 5925-00-525-4037
NSN 5998-01-068-4934
NSN 5985-00-764-2555
NSN 5905-00-347-7311
NSN 6650-01-364-1313
NSN 5950-00-341-5259