Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20330S found under by Aetrex Worldwide Inc. The National Stock Number assigned to this part is 8335012313639, and the Federal Supply Class is 8335 Shoe Findings And Soling Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 20330S.