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| PRP237-7757 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| PRP568-237-4367-70 | 77308 | PARCO, LLC |
| MIL-P-83461/1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |