Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CCA 1700 found under Cock Poppet Drain by Curtis Superior Valve Co Inc. The National Stock Number assigned to this part is 4820006893000, 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 CCA 1700.