Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L507949 L507910AV found under Seal Plain by Skf Component Systems Inc. The National Stock Number assigned to this part is 5330015048506, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like L507949 L507910AV.