Description Long neck for ease of welding. A = 1.75 inch B = 4.0 inch 304 Stainless Steel INOX Look at detail images for proper way to measure sanitary stainless steel threaded fittings Fits bevel seat fittings. ACME thread 14A4.0 Weld style ferrule Related Items; 1000-394 - Hex Nut -SS - for 4 inch male bevel seat ACME 1000-574 - DUST CAP - Stainless Steel 1000-034 - BUNA Rubber gasket for 4 inch bevel seat 1000-387 - NPT x weld 4 inch Ferrule