Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 43501-02-04-02 found under Lowpressure Seal by Bently Pressurized Bearing Company. The National Stock Number assigned to this part is 5330016148967, 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 43501-02-04-02.