Splines
Spline	1.750x16
Tube	3.500 x .095
(K)	9.219
(L)	3.000
(R)	8.250
(B)	3.321

Spline Stub 1.750x16 spline, 3.500 X .095 Tube The following parts may be used as alternates for this part: Rockwell/Meritor 155N-40-721