Prier Mansfield Style Service Parts Kit for Model No. 378/578 Series Wall Hydrants

Includes bonnet, bonnet 0-ring, stem packing, brass packing washer, 0-ring, backflow washer, bibb retainer, and seat washer and screw. Replaces pack model No. 630-7964 and 630-7754. Also fits other generations of Mansfield wall hydrants.