Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CE-5548U found under Rubber Strip by Momentive Performance Materials Inc. The National Stock Number assigned to this part is 9320004335910, and the Federal Supply Class is 9320 Rubber Fabricated Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CE-5548U.