| CENTER HOLE DIAMETER | 7.439 INCHES MINIMUM AND 7.529 INCHES MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM |
| HARDNESS RATING | 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | NAS-1601 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| TEMP RATING | -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT |