View cart “1 TB-591 Spray Gun” has been added to your cart. 591-01 Retaining Ring$14.95 591-01 Retaining Ring quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Retaining Ring Related products 591-31A Air Inlet Assy. $9.95 Add to cart 591-02 Air Cap $29.95 Add to cart 591-03 Fluid Nozzle $29.95 Add to cart 591-43 Trigger $6.50 Add to cart