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The Dichtomatik N8-90-442 is a 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 into the clearance gap, extending seal life in hydraulic and pneumatic systems. Suitable for temperatures from -40°F to +250°F.
MODEL 75172293
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This product has a minimum order quantity of (3 minimum) This is the minimum order quantity available when purchasing this product.
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$3.77 Each
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Brand Minimum Order Quantity: 14
Typically Ships in: 1 day
Returnable: See conditions
Cross Section Shape
Contoured
Dash Number
8-442
Durometer
90 Shore A
I.D.
7.274 in
Material
Buna-N
Temperature Rating
-40 to 250 deg F
Thickness
0.117 in
Width
0.236 in
Dichtomatik Dichtomatik N8-90-442
UPC: | UNSPSC: 30181800 | GTIN:
Gaskets & Packing > O-Rings & O-Ring Kits > Backup Rings
DICHTOMATIK Back-Up Ring, 7.274 in Inside Dia, 0.236 in W, 0.117 in Thickness, Contoured Cross Section, Dash Number: 8-442, 90 Shore A Durometer, -40 to 250 deg F, Buna-N
Specs:
- Dash Number: 8-442
- Cross Section Shape: Contoured
- Durometer: 90 Shore A
- Temperature Rating: -40 to 250 deg F
- Inside Diameter: 7.274 in
- Material: Buna-N
- Thickness: 0.117 in
- Width: 0.236 in
Packaging:
- Weight: 0.0276 lb
| Brand | Dichtomatik |
| Model | 75189606 |
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.
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