Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SW500-53 found under Cable Assembly Power Electrical by Chamberlin Corp The. The National Stock Number assigned to this part is 2590002958665, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SW500-53.