| CROSS-SECTIONAL SHAPE STYLE | CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL |
| CROSS-SECTIONAL THICKNESS | 0.134 INCHES NOMINAL |
| HARDNESS RATING | 68.0 SHORE DUROMETER A MINIMUM AND 78.0 SHORE DUROMETER A MAXIMUM OVERALL |
| HOLE DIAMETER | 0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM SINGLE HOLE |
| MATERIAL | RUBBER BUTADIENE NITRILE OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SQUARE RING EXPANDER |
| PROPRIETARY CHARACTERISTICS | PACS |
| OVERALL WIDTH | 0.134 INCHES NOMINAL |
| STYLE DESIGNATOR | CIRCULAR |
| COLOR | BLACK |