Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WPB-1626-4 found under Wire Electrical by Interstate Wire Company Inc. The National Stock Number assigned to this part is 6145001279762, 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 WPB-1626-4.