Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 728 990128 327 found under Shielding Gasket Electronic by Cmc Lectronique Inc. The National Stock Number assigned to this part is 5999013942091, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 728 990128 327.