An O-Ring functions as a seal through the mechanical deformation of the elastomeric compound by mating metal surfaces. The resilient rubber conforms to the shape of the metal sections and blocks the passage of gases or liquids. If the pressure increases, the O-Ring is further deformed and provides tighter sealing.
APG, S70240, O-Ring, Series: S70, 3.75 in ID, 4 in OD, 1/8 in Cross Section, Round Cross Section, 240 Dash Number, 70 Durometer, Standard Hardness, -80 to 450 deg F, Silicone, Red, Import
| Color | : | Red |
| Cross Section Shape | : | Round |
| Cross Section | : | 0.125 in |
| Dash Number | : | 240 |
| Domestic/Import | : | Import |
| Durometer | : | 70 |
| Hardness | : | Standard |
| Inside Diameter | : | 3.75 in |
| Material | : | Silicone |
| Outside Diameter | : | 4 in |
| Series | : | S70 |
| Temperature Rating | : | -80 to 450 deg F |
- Recommended for applications requiring a wide temperature range and good dry heat resistance
- Good weather and ozone resistance
- Limited oil resistance
- Not normally recommended for dynamic sealing applications due to relatively poor tensile and tear strength and relatively low abrasion resistance
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