Special Features:

4-40 unc 2b through 4 holes equally spaced on a 1.500 in.Dia circle, 6-32 unc-2b, 4 holes equally spaced on a 1.000 in.Dia circle; attachment method: machine screw; accessory components and qty: pin, reel hub 1; surface finish: anodize black, mil-a-8625, type 1, class 2,

Properties:

A cylindrical shoulder type item designed to be mounted and secured directly on a shaft or axle to position and retain on its body a gear(s), wheel(s), or the like. Items must have a method of securing directly to the shaft; however, a pilot hole drilled in or through the wall of the shoulder may be considered a method of securing; or by compressing the slotted hub end on the shaft by a hub clamp, which may or may not be included. Excludes bearing, sleeve; bushing, sleeve; and collar, shaft.