Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 28 018 found under Universal Joint Air by General Dynamics Ots Inc. The National Stock Number assigned to this part is 1680014092887, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 28 018.