| CROSS SECTION OUTSIDE DIAMETER | 4.880 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | CIRCULAR W/ CENTER APERTURE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-STD-417,TYPE S,CLASS SB,GRADE SB515ABF2 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR LOCATION NOT OTHERWISE SPECIFIED |
| MINIMUM TENSILE STRENGTH | 1500 POUNDS PER SQUARE INCH (PSI) |
| NONMETALLIC HARDNESS RATING | 35.0 MINIMUM SHORE DUROMETER A AND 45.0 MAXIMUM SHORE DUROMETER A |
| SURFACE CONDITION | SMOOTH BOTH SIDES |