Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P66 6889 found under Ring Retaining by Cargotec Usa Inc. The National Stock Number assigned to this part is 5325012165112, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P66 6889.