3aluminum alloy 2024-t351 material; first end thd external 0.562-18 unf; second end flanged 0.900 in. Sq with four mounting holes 0.089 in. Dia; tap 4-40 unc 2b on 1.010 in. Diameter bolt circle; 2 slots 0.083 in.Wd; 1 slot 0.187 in. Dia; 1.920 in. O/a lg