Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D 52309 01 02 03 REV 1 found under Console Switching Control by Chromalox Corp. The National Stock Number assigned to this part is 6110015062021, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D 52309 01 02 03 REV 1.