| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR | 
|  | RUBBER CHLOROPRENE CLASS CR OR | 
|  | RUBBER BUTADIENE-STYRENE CLASS SBR | 
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE | 
| NONMETALLIC HARDNESS RATING | 80.0 NOMINAL SHORE DUROMETER A | 
| SURFACE CONDITION | SMOOTH BOTH SIDES | 
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | 
| CROSS-SECTIONAL HEIGHT | 0.031 INCHES NOMINAL | 
| CROSS-SECTIONAL WIDTH | 0.500 INCHES NOMINAL | 
| LENGTH | 24.000 INCHES NOMINAL | 
| SPECIAL FEATURES | TYPE A,CLASS 2 | 
| SPEC/STD CONTROLLING DATA |  | 
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-R-6855 | 
| MANUFACTURERS CODE | 81349 | 
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M6855/2-12E204 |