| ENVIRONMENTAL PROTECTION | PETROLEUM AND LOW TEMPERATURE AND OZONE RESISTANT AND WEATHER RESISTANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6855, CLASS 2, TYPE A, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER SYNTHETIC |
| NONMETALLIC HARDNESS RATING | 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY LENGTH |