Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UP ALPTWK 04 20 JX found under Cable Special Purpo by Thermo Electric Company Inc. The National Stock Number assigned to this part is 6145012600853, 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 UP ALPTWK 04 20 JX.