Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BM-1199 found under Air Cleaner Intake by K And N Engineering Inc. The National Stock Number assigned to this part is 4310016083440, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BM-1199.