Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CPN-1503A found under Hasp Hinged by Low Temp Industries Inc. The National Stock Number assigned to this part is 5340014206051, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CPN-1503A.