2.5″ Female National Hose Thread swivel x 2.5″ Valve Flange Auxiliary Inlet Assembly Part No: 500248 Material: Stainless Steel Dimensions: N/A Weight (approx.): N/A Case Quantity: 4 List Price: N/A Stock: In stock Description2.5" Female National Hose Thread swivel x 2.5" Valve Flange Assembly. Includes .75" FNPT port. Ideal for auxillary inlets and pony suctions! Categories National Hose Thread (NH/NST) Stainless Steel Castings Download Part Drawing Ideal for auxiliary (pony) intakes. 2.5″ female swivel National Standard hose thread.Available with CSA threads as 500404.