Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P249B4035REV2-43ITEM1 found under Suppressor Parasiti by Mutron Corp. The National Stock Number assigned to this part is 5915006438377, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P249B4035REV2-43ITEM1.