| CENTER HOLE DIAMETER | 4.459 INCHES MINIMUM AND 4.519 INCHES MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM |
| HARDNESS RATING | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988, TY 1, CL 1, GR 60 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER FLUOROSILICONE CLASS FQ |
| TEMP RATING | -100.0 FAHRENHEIT AND 400.0 FAHRENHEIT |