Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WO 01BV 355 212ASSY N found under Ball Valve Ported by W And O Supply Inc. The National Stock Number assigned to this part is 4810016653307, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WO 01BV 355 212ASSY N.