Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B90-305-0003 found under Hook by Hurst Industries Inc. The National Stock Number assigned to this part is 4030012036347, and the Federal Supply Class is 4030 Fittings For Rope Cable And Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B90-305-0003.