Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 94OG5018 21 found under Gage Pressure Dial Indicating by Man Ghh Corp. The National Stock Number assigned to this part is 6620013952959, 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 94OG5018 21.