Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CM28725-196RA found under Gage Oil by Columbia Machine Inc. The National Stock Number assigned to this part is 6620011370551, and the Federal Supply Class is 6620 Engine Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CM28725-196RA.