Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YLA4970A found under Gasket by Coltec Industries Inc. The National Stock Number assigned to this part is 5330003626444, 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 YLA4970A.