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Dichtomatik N70249 75100178 NBR 70 O-Rings
MODEL 75100178
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This product has a minimum order quantity of (24 minimum) This is the minimum order quantity available when purchasing this product.
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Brand Minimum Order Quantity: 113
Typically Ships in: 1 day
Returnable: See conditions
Color
Black
Cross section
0.139 in
Cross Section Shape
Circular Torus
Dash Number
249
Domestic/Import
Import
Durometer
70 Shore A
I.D.
4.859 in
Material
Nitrile Rubber
O.D.
5.137 in
Temperature Rating
40 to 120 deg F
Dichtomatik Dichtomatik N70249
UPC: | UNSPSC: 31401503 | GTIN:
Gaskets & Packing > O-Rings & O-Ring Kits > O-Rings
DICHTOMATIK O-Ring, 4.859 in Inside Dia, 5.137 in Outside Dia, Cross Section: 0.139 in, Circular Torus Cross Section, Dash Number: 249, 70 Shore A Durometer, 40 to 120 deg F, Nitrile Rubber, Black, Import
Features:
- Good chemical resistance to mineral oils and greases
- The physical and chemical resistance properties of NBR materials are determined by the acrylonitrile (ACN) content of the base polymer which can vary between 18 and 50%
- Low ACN content ensures good flexibility at low temperatures, but offers limited resistance to oils and fuels
- As the ACN content increases, the low temperature flexibility reduces and the resistance to oils and fuels improves
- Physical and chemical resistance properties of NBR materials are also affected by the cure system of the polymer
- Peroxide cured materials have improved physical properties, chemical resistance and thermal properties as compared to sulfur-donor-cured materials
- Standard grades of NBR are typically resistant to mineral oil-based lubricants and greases, many grades of hydraulic fluids, aliphatic hydrocarbons, silicone oils and greases and water to about 80 deg C
- NBR is generally not resistant to aromatic and chlorinated hydrocarbons, fuels with a high aromatic content, polar solvents, glycol based brake fluids and non-flammable hydraulic fluids (HFD)
- NBR also has low resistance to ozone, weathering and aging, but in many applications this has no negative effect
Specs:
| Dash Number | 249 |
|---|---|
| Cross Section | 0.139 in |
| Cross Section Shape | Circular Torus |
| Durometer | 70 Shore A |
| Temperature Rating | 40 to 120 deg F |
| Domestic/Import | Import |
| Inside Diameter | 4.859 in |
| Outside Diameter | 5.137 in |
| Material | Nitrile Rubber |
| Color | Black |
Certifications/Standards:
DNV Approved | FDA Compliant | ISD Certified | NFPA Listed | PTDA Certified
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Item must be unused.
Item must be in it's original package.
Restocking, shipping and handling fees may apply to any return with this manufacturer.
For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/