Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2882B0131L137 found under Valve Assembly Liqu by Water Saver Faucet Co. The National Stock Number assigned to this part is 4510001058119, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2882B0131L137.