Anodized hs334 type 1, united aircraft corporation hamilton standard div; 3.130 in. Lg; 2.500 in. Od; 1.591 in. Min 1.595 in. Max id; one end 8unthreaded holes equal spaced 0.194 in. Min, 0.201 in. Max dia; opposite end 4 threaded holes equal spaced 0.164 in. Diameter thread 32 unc-2b