| CENTER HOLE DIAMETER | 0.859 INCHES NOMINAL |
| COLOR | BLACK |
| CROSS-SECTIONAL HEIGHT | 0.130 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SQUARE RING EXPANDER |
| III TEMP RATING | -65.0 DEG FAHRENHEIT AND 275.0 DEG FAHRENHEIT |
| PERIPHERAL DIAMETER | 1.127 INCHES NOMINAL |
| PROPRIETARY CHARACTERISTICS | PACS |