Washer, Series Not Applicable, Compatible with Grainger Part Number 1WD21, 1WD22, 1WD46, 1WD48, 1WD50, 1WD52, 1WD54, 1WD55, 1WD57, 1WD58, 1WD61, 1WD63, 1WD64, 1WD65, 1WD67, 1WD68, 1WD70, 1WD71, 1WD72, 1WD73, 1WD74, 1WD75, 1WD76, 1WD78, 4XA59, 4XA60, 4XA61, 4XA62, 4XA67, 4XA68, Product Type Washer, Compatible with Manufacturer Part Number PL40, R40, RV15, RV30, Compatible with Series Not Applicable, Compatible with Brand Champion, Gardner Denver