Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 920J340 PIECE 31-SO61P542 found under Heater Space Electric by Teco Westinghouse Motor Company. The National Stock Number assigned to this part is 4520012116958, 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 920J340 PIECE 31-SO61P542.