Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XTC01V06 found under Breather Valve by Ta Instrument Case Co. The National Stock Number assigned to this part is 4820010165463, 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 XTC01V06.