| CROSS-SECTIONAL SHAPE STYLE | SOLID SINGLE OR COMPOSITION |
| OUTSIDE DIAMETER | 5.031 INCHES NOMINAL |
| APERTURE DIAMETER | 4.531 INCHES NOMINAL |
| CROSS-SECTIONAL THICKNESS | 0.090 INCHES NOMINAL |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-3065 GR SB720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYLE DESIGNATOR | CIRCULAR |