Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5B1-03340 found under Gasket by Oldenburg Group Incorporated. The National Stock Number assigned to this part is 5330012806537, 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 5B1-03340.