Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 020520001 found under Pick Screen by Therma Tech Engineering Inc. The National Stock Number assigned to this part is 2930015344596, and the Federal Supply Class is 2930 Engine Cooling System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 020520001.