Used on weaponsight
An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).
NSN 5915-01-569-5655
NSN 6240-01-524-7411
NSN 6220-00-967-0062
NSN 5835-01-131-2027
NSN 5999-00-236-8995
NSN 6320-00-725-0754
NSN 5930-01-068-3641
NSN 6645-01-563-0441
NSN 6620-00-062-9722
NSN 6685-01-310-8116
NSN 5895-01-148-5753
NSN 5999-01-095-1464