Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LR1429-50-5 found under Expansion Joint Rub by Rite Industries Inc. The National Stock Number assigned to this part is 4330011729525, and the Federal Supply Class is 4330 Centrifugals Separators And Pressure And Vacuum Filters. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LR1429-50-5.