1.562" center hole diameter two screw holes 0.250-20 unc by 0.500 in. deep on 2.375 in. bolt circle diameter; one flange on outside 1.062 in. wide, 0.688 in. deep with 0.375-18 npt
Used on hemtt family (heavy expanded mobility tactical trucks), also 2320-01-304-2277 and 2320-01-304-2278 pls (palletized loading system).. weapon system essential