Dimensions: 8 1/4 x 4 1/2 x 3 thk; material specification: d0d-f-24669/1 gr 8620; material may be cast steel iaw mil-c-24707, grade 90-60. Heat treat as required per mil spec, all castings are catagory 0-4 per mil-std-278; unit wt: 6.80, item aka: dog, left side