Elastic Stop Nut 3 Upon 8 Inch 16 Unc (Zn Plated) To Dlw Drg.No.Ske-1289-016 Alt'B' A Nd Dlw Part No.15363120 Forged Nut With Nylon Inserts From Dlw Approved Sources Only. [ W Arranty Period: 30 Months After The Date Of Delivery ] ]