Cut key way in threaded area at a radius 1.250 in. Width 0.094 in.
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).
Classification: Other copper screws (not for wood) bolts and nuts
NSN 5990-01-416-6009
NSN 4140-00-470-4707
NSN 6610-01-242-9674
NSN 5925-00-931-5905
NSN 6650-01-379-1353
NSN 5950-00-165-3863
NSN 5930-01-310-3032
NSN 5920-01-242-5040
NSN 6320-01-176-8367
NSN 5975-01-409-2948
NSN 5910-01-413-2485
NSN 5998-00-734-8314