Flanges
Series	1410 (1.188 x 4.188)
(OD)	3.937
Pilot	2.244
(H)	2.531
(X)
(Y)
(Z)	3.307
Holes	6

This is a 1410 series flange. Uses 5-160X universal joint. The OD is 3.940" Female Pilot of 2.240" Hole dia. is 0.330" 6 holes