Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 611-0009-903 found under Ring Retaining by L 3 Communications Corporation. The National Stock Number assigned to this part is 5325011003872, 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 611-0009-903.