Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B90-142-0002 found under Elbow Tube by Hurst Industries Inc. The National Stock Number assigned to this part is 4730011037084, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B90-142-0002.