Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SSBN608-400-1955921PC27 found under Disk Valve by Morland Valve Co Inc. The National Stock Number assigned to this part is 4820008605085, 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 SSBN608-400-1955921PC27.