| 12131-1 | 13222 | A. T. PARKER, INC. |
| 2-22347-071 | 02697 | PARKER-HANNIFIN CORP |
| 2-223N4771-70 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| 5140-97-138 | 45681 | PARKER-HANNIFIN CORPORATION |
| 5140-97-138 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
| MS29561-223 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| PRP901-1142-70 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |