Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 94209900-04 found under Filter Muffler by Magnetic Peripherals Inc. The National Stock Number assigned to this part is 2990001598955, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 94209900-04.