| ARP568-018-11647 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| HPS55-018 | 70236 | TACTAIR FLUID CONTROLS INC |
| HPS55-018 | 84685 | TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC |
| M25988-1-018ES | H2313 | ERIKS B.V. |
| M25988/1-018 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-R-25988/1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |