| 137-11648 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| 2-137L806-80 | 02697 | PARKER-HANNIFIN CORP |
| 2-137L806-80 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| A-137TH1058 | 95272 | STILLMAN SEAL CORPORATION |
| M25988/4-137 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-R-25988/4 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| PRP137-11648 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |