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 6145-00-156-4394
NSN 5935-01-128-6151
NSN 5925-00-226-1155
NSN 5950-00-952-1371
NSN 6620-01-207-0667
NSN 6645-00-376-4829
NSN 6240-00-456-2578
NSN 6320-01-366-5157
NSN 5990-01-267-6971
NSN 5920-01-613-5893
NSN 5935-01-061-9744
NSN 5910-01-185-1365