View cart “591-14A Air Bushing Assy.” 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 591-24A Replacement Needle Bushing Assembly $29.95 Add to cart 591-08 Side Port Control $12.95 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart 591-06 Lock Screw $12.50 Add to cart