Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CLC-G17375 PCS.66 67 And 68 found under Stem Fluid Valve by Lowe Charles Co The. The National Stock Number assigned to this part is 4820001757725, 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 CLC-G17375 PCS.66 67 And 68.