View cart “591-24A Replacement Needle Bushing Assembly” has been added to your cart. 591-02 Air Cap$29.95 591-02 Air Cap quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Air Cap Related products 591-06 Lock Screw $12.50 Add to cart 591-14A Air Bushing Assy. $36.95 Add to cart 591-44 Stud $3.50 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart