Ord 9 SNL. Group G, list of all service parts. G-104, v. 15. Tank, medium, M4A3, 105-mm howitzer (SNL G-104 vol. 15), tank, medium. M4A3, 75-mm gun, wet (SNL G-204), tank, medium, M4A3, 76-mm gun, wet (SNL G-205). Changes 1; Sept. 1948.