| ENVIRONMENTAL PROTECTION | LOW TEMPERATURE AND |
| OZONE RESISTANT AND |
| PETROLEUM AND |
| WEATHER 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 |
| CROSS-SECTIONAL SHAPE STYLE | CIRCULAR |
| CROSS SECTION OUTSIDE DIAMETER | 0.469 INCHES MINIMUM AND |
| 0.531 INCHES MAXIMUM |
| SPECIAL FEATURES | FREE FROM CLOTH IMPRINT |
| NONDEFINITIVE SPEC/STD DATA | 2 CLASS AND |
| EXTRUDED SHAPE FORM AND |
| 60 GRADE AND |
| A TYPE |
| MATERIAL | RUBBER CHLOROPRENE CLASS CR |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6855, CLASS 2, TYPE A, GRADE 60, FORM EXTRUDED SHAPE MIL SPEC SINGLE MATERIAL RESPONSE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-R-6855 |