Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ICB-003 found under Replacement Kit Ring Buoy by Stearns Magnetics Inc. The National Stock Number assigned to this part is 4220012523863, and the Federal Supply Class is 4220 Marine Lifesaving And Diving Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ICB-003.