Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3006-6557 found under Cable Special Purpo by Calmont Engineering And Electronics. The National Stock Number assigned to this part is 6145011157933, 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 3006-6557.