Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 997 2544 found under Ring Retaining by Cargotec Usa Inc. The National Stock Number assigned to this part is 5325013335285, 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 997 2544.