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 6220-01-334-0613
NSN 2925-01-411-4666
NSN 5975-01-512-8525
NSN 5895-01-390-9672
NSN 6685-01-123-1922
NSN 5835-00-512-4424
NSN 5945-01-512-7698
NSN 5965-01-654-1685
NSN 6240-01-467-3341
NSN 5835-01-193-6192
NSN 7035-00-834-2090
NSN 5910-01-652-3037