| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR |
| HARDNESS RATING | 68.0 ROCKWELL A MINIMUM AND 78.0 ROCKWELL A MAXIMUM OVERALL |
| MATERIAL | RUBBER BUTADIENE NITRILE OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SQUARE RING EXPANDER |
| PERIPHERAL DIAMETER | 1.281 INCHES MINIMUM AND 1.437 INCHES MAXIMUM |
| PROPRIETARY CHARACTERISTICS | PACS |
| CENTER HOLE DIAMETER | 1.477 INCHES MINIMUM AND 1.509 INCHES MAXIMUM |
| COLOR | BLACK |
| CRITICALITY CODE JUSTIFICATION | AGAV |
| CROSS-SECTIONAL HEIGHT | 0.130 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |