Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SYM 2523.3 found under Panel Power Distrib by Whitmor Company Inc The. The National Stock Number assigned to this part is 6110016194287, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SYM 2523.3.