Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 73RU11891 found under Spacer Straight by Gkn Aerospace Services Ltd. The National Stock Number assigned to this part is 5365015513640, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 73RU11891.