| CENTER HOLE DIAMETER | 20.854 INCHES MINIMUM AND 20.864 INCHES MAXIMUM |
| COLOR | BLACK |
| CROSS-SECTIONAL HEIGHT | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM |
| HARDNESS RATING | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-7278 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER FLUOROCARBON CLASS FPM |
| TEMP RATING | -15.0 FAHRENHEIT AND 480.0 FAHRENHEIT |