Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BT-1532-0 found under Boot Dust And Moist by Alco Industries Inc. The National Stock Number assigned to this part is 5930013793500, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BT-1532-0.