1300 flange is drilled & tapped for (4) 7/16-20 on a 3.5" diameter & (4) 1/2-20 holes on a 4.25" diameter and has a 1.990" male index.
Companion yokes that fit the AF1300 are Spicer:
(1310 C.V., P/N 211229x)
(1310 non-C.V., P/N 2-2-939, N2-2-939, 2-2-1379)
(1330 C.V. - P/N 211631X, 2-2-949, N2-83-631X)
(1330 non-C.V., P/N 2-2-1369, N2-2-1369)
(1350 C.V., P/N 212024X, N3-83-024X)
(1350 non-C.V., P/N 3-2-1579, N3-2-1579, 3-2-1619, N3-2-1619)
(1410 non-CV 3-2-1819).
