Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 60-88-108 found under Ring Externally Threaded by Ecolaire Heat Transfer Co. The National Stock Number assigned to this part is 5365002913534, 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 60-88-108.