Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1C1320-3 found under Switch Pressure by Hathaway Inc. The National Stock Number assigned to this part is 5930005486705, 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 1C1320-3.