Gasket & Rust Remover:- 1. Locllite#79040 (Chisel Compound) Or 2. Os2 Cleaner ( Dow Corning) Filled In 19 Ounce Spray Canned Or Other Equivalent Product Having Satisfactory Performance From Consignee For Use As Gasket & Rust Remover In Alco &Emd Locos. Rdso Ib No-Mp.Ib.En.02.06.09,S No-32, Rev.01 Or Latest/81211068/105750554 (EXPIRED)