Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PI-32440-SKKH5512 found under Semiconductor Devic by Chromalox Corp. The National Stock Number assigned to this part is 5961011863921, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PI-32440-SKKH5512.