# Dichtomatik ST417S PTFE Backup Ring - Solid Anti-Extrusion Ring for High-Pressure Sealing - MROSupply.com

***Dichtomatik ST417S PTFE solid backup ring prevents O-ring extrusion in high-pressure static and dynamic sealing applications. PTFE backup rings offer excellent chemical resistance and a wide temperature range from -100°F to +500°F. Suitable for use in hydraulic and pneumatic systems where O-ring anti-extrusion is required.***



## Product details:

- Catalog number: 75172264
- SKU: 2805403
- Price: ***$74.42*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Dichtomatik](https://www.mrosupply.com/brands/dichtomatik/)
- Category: 
    - [Standard Flat Back-Up Rings](htts://www.mrosupply.com/seals/back-up-rings/standard-flat-back-up-rings/)
    - [Back-Up Rings](htts://www.mrosupply.com/seals/back-up-rings/)
    - [Seals](htts://www.mrosupply.com/seals/)
- Unit of measure: each
- Technicall support: contact supplier for technical support on 800 328 2840


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Color: White
  

  
- Dash Number: 417
  

  
- Domestic/Import: Domestic
  

  
- Durometer: 55 Shore D
  

  
- Material: PTFE
  

  
- Temperature Rating: -65 to 500 deg F
  

  
- Type: Solid
  


## Product's reviews:
- Great support of delivery - Thanks! for the help you gave me for the Delivery Next Day!
- Seals - Fast delivery, very resonable cost
- Axle seal 172373 - It worked.
- Dichtomatick order - Very reliable