Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BL2-8-2001 found under Meter Flow Rate Indicating by Brooks Instrument Llc. The National Stock Number assigned to this part is 6680000569556, 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 BL2-8-2001.