0.141" outside diameter 0.160 in. lg, by 0.063 w slot thru one side of wall, slot located 0.370 in. from slot center to large end of restrictor passivate surface treated
3a thread class right-hand 0.500" thread length 0.375" outside diameter four 0.014 in. w by 0.112 in. depth grooves located 90 deg apart on orifice end of restrictor anodize surface treated