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, HB90347, Back-Up Ring, Series: 8 Series, 4.278 in ID, 4.644 in OD, 0.076 in Thickness, 0.183 in Cross Section, Contoured Cross Section, 347 Dash Number, 90 Durometer, Hard Hardness, -40 to 250 deg F, Nitrile, Black, Import
| Color | : | Black |
| Cross Section Shape | : | Contoured |
| Cross Section | : | 0.183 in |
| Dash Number | : | 347 |
| Domestic/Import | : | Import |
| Durometer | : | 90 |
| Hardness | : | Hard |
| Inside Diameter | : | 4.278 in |
| Material | : | Nitrile |
| Outside Diameter | : | 4.644 in |
| Series | : | 8 Series |
| Temperature Rating | : | -40 to 250 deg F |
| Thickness | : | 0.076 in |
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