Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 507 14AWG OR THHN found under Wire Electrical by Highland Engineering Inc. The National Stock Number assigned to this part is 6145016660362, 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 507 14AWG OR THHN.