Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV210-620 ITEM 70 found under Stuffing Box Kit by Automatic Switch Company. The National Stock Number assigned to this part is 4810011128159, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AV210-620 ITEM 70.