Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MI30-3 8 S found under Glass Liquid Sight Indicator Fla by Henry Technologies Inc. The National Stock Number assigned to this part is 6680000595370, 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 MI30-3 8 S.