Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6515A-112-NAV ITEM 17 found under Valve Ball by Mg Lenox Instrument Co Inc. The National Stock Number assigned to this part is 4820015363566, 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 6515A-112-NAV ITEM 17.