Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R 1 2"X160 found under Indicator Liquid Quantity by Thyssenkrupp Marine Systems. The National Stock Number assigned to this part is 6680014189290, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R 1 2"X160.