Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A90 357 001 found under Spark Gap by Hurst Industries Inc. The National Stock Number assigned to this part is 5985011037019, and the Federal Supply Class is 5985 Antennas Waveguides And Related Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A90 357 001.