Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42 0003 found under Wire Thermocouple by Gulton Industries Inc. The National Stock Number assigned to this part is 6145000723528, and the Federal Supply Class is 6145 Wire And Cable Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 42 0003.