Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11608-10201 3 INCH found under Valve Vacuum Regula by Edwards High Vacuum Inc. The National Stock Number assigned to this part is 4820012107175, 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 11608-10201 3 INCH.