Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CCA-4300 found under Cock Poppet Drain by Agusta Westland. The National Stock Number assigned to this part is 4820001073316, 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-4300.