| 1446-250 | 91265 | PARKER-HANNIFIN CORPORATION |
| 2-250N304-75 | 02697 | PARKER-HANNIFIN CORP |
| 7377-250 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| 4067-70-250 | 77308 | PARCO, LLC |
| 36666-250 | 81616 | YORK INDUSTRIES, INC. |
| 2-250N304-75 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| N304-75-250 | 02697 | PARKER-HANNIFIN CORP |
| N72250 | 05779 | PARKER-HANNIFIN CORPORATION |
| P48026-250 | 70106 | ACUSHNET RUBBER COMPANY, INC. |
| SR832-75-250 | 95272 | STILLMAN SEAL CORPORATION |
| MS28775-250 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |