View cart “591-31A Air Inlet Assy.” has been added to your cart. 591-41 Packing Screw$2.50 591-41 Packing Screw quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Packing Screw Related products 591-39 Fluid Connector $9.95 Add to cart 591-42 Retaining Ring $3.50 Add to cart 591-07 Platen $14.50 Add to cart 591-01 Retaining Ring $14.95 Add to cart