Max cylinder lg 18.620 in., cylinder diameter 1.500 in., 19.180 in. O/a lg, piston rod matl cres, 7/16-2o unf-2a thd by 0.560 in. Lg located on one end of piston, mtg brackets located on both ends of cylinder, four 0.374 in. Min and 0.385 in. Max diameter mtg holes located on 17.855 in. Min and 17.895 in. Max by 2.500 in. Mtg centers, hydraulic fluid operated, 17.000 in. Min lg of piston stroke, horizontal operating position, damper performance, piston rod extension or retraction 4 in. Per second with constant pull or push of 15 pounds, outside surface treatment, paint per mil-e-15o9o, class 2, type ii