| MATERIAL | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR |
| RUBBER BUTADIENE-STYRENE CLASS SBR |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-STD-417, TYPE R, CLASS RS, GRADE RS515BC1F2 MIL SPEC SINGLE MATERIAL RESPONSE |
| ENVIRONMENTAL PROTECTION | LOW TEMPERATURE AND |
| OZONE RESISTANT |
| NONMETALLIC HARDNESS RATING | 45.0 MINIMUM SHORE DUROMETER A AND |
| 55.0 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 | 1.500 INCHES NOMINAL |
| CROSS-SECTIONAL WIDTH | 0.750 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | RS CLASS AND |
| RS515BC1F2 GRADE AND |
| R TYPE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-R-3065 |