| CENTER HOLE DIAMETER | 0.523 INCHES MINIMUM AND 0.537 INCHES MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 0.079 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
| HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7277 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR |
| TEMP RATING | -75.0 FAHRENHEIT AND 250.0 FAHRENHEIT |