| ELONGATION PERCENTAGE | 80 MINIMUM |
| CENTER HOLE DIAMETER | 0.621 INCHES NOMINAL |
| COLOR | GRAY |
| CRITICALITY CODE JUSTIFICATION | AGAV |
| CROSS-SECTIONAL HEIGHT | 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR |
| HARDNESS RATING | 58.0 SHORE DUROMETER D MINIMUM AND 68.0 SHORE DUROMETER D MAXIMUM OVERALL |
| JOINT QUANTITY | 1 |
| JOINT TYPE | BUTT OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3678/7 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | HEAVY DUTY BACKUP RING |
| PERIPHERAL DIAMETER | 0.791 INCHES MINIMUM AND 0.795 INCHES MAXIMUM |
| PROPRIETARY CHARACTERISTICS | PACS |