Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B09-0665 ITEM 30 found under Attenuator Variable by Wintech International Llc. The National Stock Number assigned to this part is 5985016084831, 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 B09-0665 ITEM 30.