Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SMLH4A6Y20 found under Cable Special Purpo by Barcel Cdt. The National Stock Number assigned to this part is 6145016507265, 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 SMLH4A6Y20.