Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CYR-1-S-3 found under Bearing Roller Needle by Flight Refuelling Limited T A Co. The National Stock Number assigned to this part is 3110012968954, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CYR-1-S-3.