Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1CHC21040AGA002 found under Gage Pressure Dial Indicating by Kemmerlys Air Plus. The National Stock Number assigned to this part is 6685009249434, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1CHC21040AGA002.