Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1523 found under Bushing Strain Relief Cable by Walsco Electronics Corp. The National Stock Number assigned to this part is 5975000686767, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1523.