| CENTER HOLE DIAMETER | 4.745 INCHES MINIMUM AND 4.972 INCHES MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |
| HARDNESS RATING | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-83248, TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER FLUOROCARBON CLASS FPM |