The most widely used O-Ring elastomer. Excellent resistance to petroleum products. Excellent compression set, tear and abrasion resistance. Does not have good resistance to ozone, sunlight, or weather, unless specifically compounded. Should not be stored in direct sunlight or near motors or other electrical equipment which may generate ozone.
APG, HB90240, Back-Up Ring, Series: 8 Series, 3.756 in ID, 3.992 in OD, 0.05 in Thickness, 0.118 in Cross Section, Contoured Cross Section, 240 Dash Number, 90 Durometer, Hard Hardness, -40 to 250 deg F, Nitrile, Black, Import
| Color | : | Black |
| Cross Section Shape | : | Contoured |
| Cross Section | : | 0.118 in |
| Dash Number | : | 240 |
| Domestic/Import | : | Import |
| Durometer | : | 90 |
| Hardness | : | Hard |
| Inside Diameter | : | 3.756 in |
| Material | : | Nitrile |
| Outside Diameter | : | 3.992 in |
| Series | : | 8 Series |
| Temperature Rating | : | -40 to 250 deg F |
| Thickness | : | 0.05 in |
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