Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 06-400-083 found under Repair Kit Valve by Mico Inc. The National Stock Number assigned to this part is 4820013828673, 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 06-400-083.