Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 204-040-298-1-16410 found under Jet Oil by A And K Mfg Co Inc. The National Stock Number assigned to this part is 1615007971032, and the Federal Supply Class is 1615 Helicopter Rotor Blades Drive Mechanisms And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 204-040-298-1-16410.