| CROSS SECTION INSIDE DIAMETER | 4.000 INCHES NOMINAL |
| CROSS SECTION OUTSIDE DIAMETER | 5.780 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | CIRCULAR W/ CENTER APERTURE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER CHLOROPRENE CLASS CR OR RUBBER BUTADIENE-STYRENE CLASS SBR |