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The Dichtomatik N8-90-389 is an NBR (Nitrile Butadiene Rubber) 90 Shore A contoured backup ring designed for high-pressure sealing applications. It prevents O-ring extrusion in static and dynamic systems. Suitable for temperatures from -40°F to +250°F.
MODEL 75189650
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$11.01 Each
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Brand Minimum Order Quantity: 5
Typically Ships in: 1 day
Returnable: See conditions
Cross Section Shape
Contoured
Dash Number
8-389
Durometer
90 Shore A
I.D.
20.006 in
Material
Buna-N
Temperature Rating
-40 to 250 deg F
Thickness
0.076 in
Width
0.183 in
Dichtomatik Dichtomatik N8-90-389
UPC: | UNSPSC: 30181800 | GTIN:
Gaskets & Packing > O-Rings & O-Ring Kits > Backup Rings
DICHTOMATIK Back-Up Ring, 20.006 in Inside Dia, 0.183 in W, 0.076 in Thickness, Contoured Cross Section, Dash Number: 8-389, 90 Shore A Durometer, -40 to 250 deg F, Buna-N
Specs:
- Dash Number: 8-389
- Cross Section Shape: Contoured
- Durometer: 90 Shore A
- Temperature Rating: -40 to 250 deg F
- Inside Diameter: 20.006 in
- Material: Buna-N
- Thickness: 0.076 in
- Width: 0.183 in
Packaging:
- Weight: 0.0368 lb
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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/