Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FR4 5A found under Bearing Roller Rod End by Rexnord Industries Llc. The National Stock Number assigned to this part is 3110002272385, 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 FR4 5A.