MS13889B, MILITARY STANDARD: PISTON, INTERNAL COMBUSTION ENGINE, 4-1/4 INCH X 4-7/8 INCH COMP. HEIGHT 2-5/16 INCH (20 SEP 1982) [NO SUPERSEDING DOCUMENT]
MS13889B, MILITARY STANDARD: PISTON, INTERNAL COMBUSTION ENGINE, 4-1/4 INCH X 4-7/8 INCH COMP. HEIGHT 2-5/16 INCH (20 SEP 1982) [NO SUPERSEDING DOCUMENT].