ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2014 12 08 N Status No replacement named L. Sinclair, NA 2003 01 23 Revised Para 3.0 inserted ; Para 3.5 Accelerator 6.4 - 6.8 lb/gal (0.77 - 0.81 kg/l). 5.4 MATERIAL REFERENCE 5.4.1 Steel, low carbon, phosphate coated per ESB-M3P1 -A. 5.4.2 Aluminum, 5457, Anodized to ESB-M4P6-A.