Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JB197 found under Case Accumulator Kit by Tei Rock Drills Inc. The National Stock Number assigned to this part is 5140016187975, and the Federal Supply Class is 5140 Tool And Hardware Boxes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like JB197.