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The Dichtomatik N8-90-258 is an NBR (Nitrile Butadiene Rubber) 90 Shore A contoured backup ring designed for anti-extrusion protection in high-pressure sealing applications. This backup ring prevents O-ring or U-cup extrusion under dynamic or static pressure, extending seal life in hydraulic and pneumatic systems. Suitable for use with standard O-ring grooves, it operates in temperatures from -40°F to +250°F.
MODEL 75172077
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This product has a minimum order quantity of (4 minimum) This is the minimum order quantity available when purchasing this product.
Contact supplier for technical support on: 800 328 2840
$2.67 Each
Prices are subject to change
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Brand Minimum Order Quantity: 20
Typically Ships in: 1 day
Returnable: See conditions
Cross Section Shape
Contoured
Dash Number
8-258
Durometer
90 Shore A
I.D.
6.018 in
Material
Buna-N
Temperature Rating
-40 to 250 deg F
Thickness
0.05 in
Width
0.118 in
Dichtomatik Dichtomatik N8-90-258
UPC: | UNSPSC: 30181800 | GTIN:
Gaskets & Packing > O-Rings & O-Ring Kits > Backup Rings
DICHTOMATIK Back-Up Ring, 6.018 in Inside Dia, 0.118 in W, 0.05 in Thickness, Contoured Cross Section, Dash Number: 8-258, 90 Shore A Durometer, -40 to 250 deg F, Buna-N
Specs:
| Dash Number | 8-258 |
|---|---|
| Cross Section Shape | Contoured |
| Durometer | 90 Shore A |
| Temperature Rating | -40 to 250 deg F |
| Inside Diameter | 6.018 in |
| Material | Buna-N |
| Thickness | 0.05 in |
| Width | 0.118 in |
Packaging:
SKU: 2813634
My new supplier
Thanks for your help with finding the seals I needed. You were fast and reasonable with the shipping, The price was also good, your communications before and after the sale was very appreciated again thanks for your help I will be back!!! Steve G
Read moreSKU: 1460707
Great support of delivery
Thanks! for the help you gave me for the Delivery Next Day!
Read more
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SKU: 2813634
My new supplier
Thanks for your help with finding the seals I needed. You were fast and reasonable with the shipping, The price was also good, your communications before and after the sale was very appreciated again thanks for your help I will be back!!! Steve G
Read moreSKU: 1460707
Great support of delivery
Thanks! for the help you gave me for the Delivery Next Day!
Read moreItem 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/