Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C02P3B4 found under Cage Valve by Schlegel Systems Inc. The National Stock Number assigned to this part is 4820007396673, 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 C02P3B4.