Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12163-82071 found under Guide Seal by Tcm America Inc. The National Stock Number assigned to this part is 2520011697336, 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 12163-82071.