Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KAPPA-B-IV-M2 found under Balance Analytical by Denver Instrument Co. The National Stock Number assigned to this part is 6670002433694, 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 KAPPA-B-IV-M2.