View cart “591-41 Packing Screw” 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 591-26A Air Valve Assy. $19.95 Add to cart 591-39 Fluid Connector $9.95 Add to cart 591-20 Needle $19.95 Add to cart 591-44 Stud $3.50 Add to cart