3.660" overall length 7 bolt hole quantity aecs, two holes 0.470 in. dia, two holes 0.710 in. dia, one hole 0.420 in. dia, one hole 0.320 in. dia, and one oblong hole 0.455 in. lg by 0.300 in. w
27.000" outside diameter item must comply with requirements of defense supply center philadelphia production standard no. PO0054nrp; cement joint circular