0.396" hole diameter 0.875" outside diameter 0.146" material thickness od beveled 0.030 in. by 45 deg, washer cyanide hardened 0.005 to 0.008 in. deep oxide film surface treated recessed both sides
1.630" hole diameter 2.375" outside diameter 0.135" material thickness two 0.185 in. dia holes, equally spaced on 2.062 in. dia basic circle shouldered