Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B2000-097 found under Washer Spring Tensi by Associated Spring Barnes Group Inc. The National Stock Number assigned to this part is 5310012714752, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B2000-097.