Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1280 found under Valve Temperature R by Robertshaw Controls Company. The National Stock Number assigned to this part is 4820005300488, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1280.