Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 97-310-1-2IN found under Valve Assembly Disc by Price Pfister Brass Mfg Co. The National Stock Number assigned to this part is 4610001323233, and the Federal Supply Class is 4610 Water Purification Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 97-310-1-2IN.