| COLOR | BLACK BOTH SIDESBLACK BOTH SIDES |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULARRECTANGULAR |
| CROSS-SECTIONAL HEIGHT | 4.625 INCHES NOMINAL4.625 INCHES NOMINAL |
| CROSS-SECTIONAL WIDTH | 0.578 INCHES NOMINAL0.578 INCHES NOMINAL |
| ENVIRONMENTAL PROTECTION | LOW TEMPERATURE AND LOW TEMPERATURE AND HIGH TEMPERATUREHIGH TEMPERATURE |
| FABRICATION METHOD | SOLIDSOLID |
| LENGTH | 5.250 INCHES NOMINAL5.250 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-STD-417, TYPE R, CLASS RN, GRADE RN620ABF2 MIL SPEC SINGLE MATERIAL RESPONSEMIL-STD-417, TYPE R, CLASS RN, GRADE RN620ABF2 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER POLYISOPRENE NATURAL CLASS NRRUBBER POLYISOPRENE NATURAL CLASS NR |
| MINIMUM TENSILE STRENGTH | ERR-060 |
| NONMETALLIC HARDNESS RATING | 60.0 NOMINAL SHORE DUROMETER A60.0 NOMINAL SHORE DUROMETER A |
| SURFACE CONDITION | SMOOTH LOCATION NOT OTHERWISE SPECIFIEDSMOOTH LOCATION NOT OTHERWISE SPECIFIED |
| SURFACE CONDITION | SMOOTH BOTH SIDESSMOOTH BOTH SIDES |
| TEMP RATING | -67.0 FAHRENHEIT AND -67.0 FAHRENHEIT AND 158.0 FAHRENHEIT158.0 FAHRENHEIT |