Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number APD1938-134 found under Heating Element Electrical Nonim by Appliance Parts Distributors Inc. The National Stock Number assigned to this part is 4520004002850, 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 APD1938-134.