| ELONGATION PERCENTAGE | 125 MAXIMUM |
| CENTER HOLE DIAMETER | 0.420 INCHES MINIMUM AND 0.432 INCHES MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 0.042 INCHES MINIMUM AND 0.048 INCHES MAXIMUM |
| HARDNESS RATING | 70.0 SHORE DUROMETER A NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988 TYPE 1, CLASS 1, GRADE 70 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER FLUOROSILICONE CLASS FQ |