| MATERIAL | RUBBER BUTADIENE-STYRENE CLASS SBR |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6855, CLASS 3, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE |
| ENVIRONMENTAL PROTECTION | ALCOHOL RESISTANT AND |
| SODIUM CHLORIDE AND |
| WATER RESISTANT AND |
| NON-OIL RESISTANT |
| NONMETALLIC HARDNESS RATING | 55.0 MINIMUM SHORE DUROMETER A AND |
| 65.0 MAXIMUM SHORE DUROMETER A |
| MINIMUM TENSILE STRENGTH | 1500 POUNDS PER SQUARE INCH |
| FABRICATION METHOD | SOLID |
| SURFACE CONDITION | SMOOTH BOTH SIDES |
| COLOR | BLACK BOTH SIDES |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| CROSS-SECTIONAL HEIGHT | 3.000 INCHES NOMINAL |
| CROSS-SECTIONAL WIDTH | 0.125 INCHES NOMINAL |
| LENGTH | 8.500 INCHES NOMINAL |
| SPECIAL FEATURES | FREE FROM CLOTH IMPRINT |
| NONDEFINITIVE SPEC/STD DATA | 3 CLASS AND |
| STRIP FORM AND |
| 60 GRADE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY COLOR AND NONMETALLIC HARDNESS RATING |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-R-6855 |