Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LD63WK found under Duct by Schneider Electric Usa Inc. The National Stock Number assigned to this part is 4720008671828, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LD63WK.