Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MX4-50SCR-50S-50SCL-50S found under Dividervalve Flow by Graco Industries Inc. The National Stock Number assigned to this part is 4820016849767, 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 MX4-50SCR-50S-50SCL-50S.