General Description:
Unonmetallic diaphragm, composed of four segmentsheart shape style, largest diameter 3-14 in., 4-1/8 in. Lg, 7 bolt holes around edge of item 1/4 in. Diameter and approximately 1/4 in. In from edge to center of holes, diaphragm is actuated by a steel plunger and retained in place by a recessed washer on each side and rivited to plunger, 2 in. Lg of plunger from bottom of diaphragm to end, plunger has slotted hole 1/8 in. Wide 1/4 in. In lg and 3/8 in. From center of hole to end, plunger diameter 3/8 in.