| 2-166V747-75 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| 2-166V884-75 | 02697 | PARKER-HANNIFIN CORP |
| J221P166 | 07482 | GENERAL ELECTRIC COMPANY |
| AS3209-166 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| M83248/1-166 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-R-83248/1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |