0.219" hole diameter 3.245" outside diameter 4 bolt hole quantity the four 0.219 holes are countersunk at 81 degree angle to a depth of 0.4875 across the top circular
Used on family of hemtt vehicles (heavy expanded mobility tactical trucks); nsn 2320-01-304-2277 and 2320-01-304-2278 pls (palletized loading system). 4.435" outside diameter circular