B52751 1966-AS2 1880-1 REPLACED BY 1820-1 1820-1 1056-SE4 398978-4 2364 2364-1 44229 317875-1F 8540-B 9611-A1 obsolete, replacement 9911-A1;PNEUMATIC RAM PUMP (PORTABLE) 9911-A1 585-A obsolete, replacement 585-A1; 585-B obsolete, replacement 585-B1; 575-A obsolete, replacement 575-A1;