Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3X6 RMD-FP 2R2T 24X24 TILE found under Diffuser Air Distribution by Mestek Inc. The National Stock Number assigned to this part is 4520011474157, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3X6 RMD-FP 2R2T 24X24 TILE.