| 17-27C271 | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| AS12801-271 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| AS12801-271 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| AS12801-271 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |
| AS12801-271 | U1901 | MEGGITT AEROSPACE LTD T/A MEGGITTPOLYMERS AND COMPOSITES DBA DUNLOP BESTOBELL |
| AS12801-271 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |