New! 4″ Valve x 4″ NST Polished Part No: 500500 Material: Stainless Steel Dimensions: N/A Weight (approx.): N/A Case Quantity: 1 List Price: N/A Stock: In stock Description4" Valve x 4" NST Polished Additional InformationIn stock Categories National Hose Thread (NH/NST) Stainless Steel Castings, Stainless Valve Flanges for Akron® Elkhart® valves Download Part Drawing Authorized users can download Solidworks 3D part model Enter approved email address to download Solidworks 3D model Download File The email entered is not valid. Contact Chris Magiera at cmagiera@fireprograms.com for access. 4″ Valve (Elkhart or Akron) x 4″ NST Polished. In stock.