| ENVIRONMENTAL PROTECTION | LOW TEMPERATURE AND |
| OZONE RESISTANT AND |
| TEAR |
| NONMETALLIC HARDNESS RATING | 60.0 NOMINAL 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 | CIRCULAR |
| CROSS SECTION OUTSIDE DIAMETER | 0.250 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | R TYPE AND |
| RS CLASS AND |
| RS615BC1F1G GRADE |
| MATERIAL | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR |
| RUBBER BUTADIENE-STYRENE CLASS SBR |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-STD-417, TYPE R, CLASS RS, GRADE RS615BC1F2G MIL SPEC SINGLE MATERIAL RESPONSE |