U-joint for 5 ton trucks, M54A2, M809,
M939. “Dana” (tab style). Not for short
shaft on M939 series. Used on both short shaft and
transfer to forward rear differential on
M54/M809. M939 transfer case to forward rear axle only. Includes grade-8 cap screws and lock tabs. P/N CP280X. NSN 2520010828619.
Also replaces 7412638, 5-17X, 5-32X, 334, 6-5-228X, CP17N-20.