Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B34012 found under Sling Lifting by Orton Mccullough Crane Co. The National Stock Number assigned to this part is 2230000873433, and the Federal Supply Class is 2230 Right Of Way Construction And Maintenance Equipment Railroad. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B34012.