Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3310161000 ITEM 10 found under Valve Ball by Mechanical Equipment Company Inc. The National Stock Number assigned to this part is 4820014219726, 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 3310161000 ITEM 10.