Between width: both ends. 0.312 in. And 0.315 in. ; height: both ends, 0.376 in. And 0.380 in.
No other part numbers with same form, fit, and function found.
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.
Classification: Shaft couplings, except universal joints
NSN 5950-00-540-5688
NSN 5990-01-380-0650
NSN 6240-01-115-3070
NSN 5915-00-504-2926
NSN 5985-01-520-4029
NSN 5985-00-189-0599
NSN 6620-00-959-6614
NSN 6620-00-431-3837
NSN 6645-00-893-0765
NSN 5915-01-633-9845
NSN 6610-01-412-0058
NSN 6135-01-168-2944