Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SK-2210 found under Valve Assembly Flow by Tennant Company. The National Stock Number assigned to this part is 4820011388206, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SK-2210.