Special Features:

Gcounterbore diameter, first end: 3.000, 3.005, and 2.375 in. ; counterbore diameter, second end: 2.375 in. ; counterbore depth, first end: 0.188 and 0.500 in. ; counterbore depth, second end: 0.625 in. ; taper length: first end, 2.500 in. , second end, 2.625 in. ; distance from center of bore to bottom of keyway: 0.60475 in. ; flange width: 2.500 in. ; taper per foot: both ends, 0.625 in. ; hub diameter: 2.250 in. ; 1 keying facility provided each end; keying facility width: 0.266 in. Both ends; counterbore length: 2.000 in. both ends; raised face 1/8 in. High or one half end coupling which fits into counterbore of other half

Properties:

A device for connecting the ends of two shafts to produce in effect, one piece of rigid shafting so that the rotary motion of one shaft is transmitted to the other shaft. Couplings of the sleeve type must have an over-all length exceeding the outside diameter, or must have an internal spline.