Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CD34REVAPC4 found under Seat Valve by Grove Valve Operations. The National Stock Number assigned to this part is 4820000241394, 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 CD34REVAPC4.