Size 4-40 by 0.250 in. Deep threaded hole located on center of head
No other part numbers with same form, fit, and function found.
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: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5910-01-019-6512
NSN 5990-01-472-2447
NSN 5910-01-013-8957
NSN 6135-01-203-9977
NSN 5996-01-101-0298
NSN 5930-01-300-1547
NSN 5965-01-251-9480
NSN 6240-01-576-9580
NSN 5998-01-607-1147
NSN 6105-01-578-7537
NSN 6610-00-343-9331
NSN 5915-01-089-0992