Metric and multistandard part number 6799m4x20 is not on standard. But it is the same as 6799m4x19. The shaft is the the 20 in the part number.
A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.
Classification: Press-fasteners, snap-fasteners & press-studs & parts therefor
NSN 5999-01-222-0389
NSN 5930-00-844-8470
NSN 5910-01-441-2301
NSN 5975-01-583-0927
NSN 6145-00-079-7378
NSN 5910-00-601-6253
NSN 5835-00-985-9064
NSN 5920-01-462-2244
NSN 5950-01-423-4236
NSN 5945-01-101-4087
NSN 5855-00-058-1293
NSN 7035-01-462-5766