Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T1R14X12X12 found under Tee Air Conditioning Heating by United Mcgill Corp. The National Stock Number assigned to this part is 4520010307175, 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 T1R14X12X12.