| CENTER HOLE DIAMETER | 12.919 INCHES MINIMUM AND 13.049 INCHES MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM |
| HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-7362 TY 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |