Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XRCUCL1-4020-7 found under Release Bearing Transmission by Blue Tee Corp. The National Stock Number assigned to this part is 2520008796657, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like XRCUCL1-4020-7.