Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 147 10 found under Diaphragm Valve Flat by Wellman Group. The National Stock Number assigned to this part is 4820007567523, 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 147 10.