Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A2516-54 found under Wire Electrical by Rockbestos Surprenant Cable Corp. The National Stock Number assigned to this part is 6145011409811, 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 A2516-54.