| 2-253 V709-90 | 02697 | PARKER-HANNIFIN CORP |
| 253-19359 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| AS568-253 MIL-R-83248 CLASS 2 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS568-253AMS7279 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| M83248/2-253 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| A-253SR280-90 | 95272 | STILLMAN SEAL CORPORATION |
| PRP253-19359 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| PRP568-253-9009-90 | 77308 | PARCO, LLC |
| NAS1594-253 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MIL-R-83248/2 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |