Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 206430 ASSY C 3 found under Valve And Trap Deck by Service Brass And Aluminum Foundry Co. The National Stock Number assigned to this part is 4820009040242, 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 206430 ASSY C 3.