Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CGAA-13255-5 found under Calibration Kit Gas Indicators A by Erdco Engineering Corporation. The National Stock Number assigned to this part is 6665011046545, 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 CGAA-13255-5.