Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6501-11211-1002 found under Filter Element Air Conditioning by Shielding Express Inc. The National Stock Number assigned to this part is 4130014428117, and the Federal Supply Class is 4130 Refrigeration And Air Conditioning Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6501-11211-1002.