| HOLE DEPTH | 6.000 MILLIMETERS MINIMUM AND 7.000 MILLIMETERS MAXIMUM |
| HOLE DIAMETER | 21.500 MILLIMETERS MINIMUM AND 22.000 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER CHLOROPRENE CLASS CR |
| OUTSIDE/TOP FLANGE DIAMETER | 26.250 MILLIMETERS MINIMUM AND 26.750 MILLIMETERS MAXIMUM |
| OVERALL HEIGHT | 8.500 MILLIMETERS MINIMUM AND 9.000 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | FLAT RECESSED TOP |