# Dichtomatik ST266S PTFE Backup Ring - Solid Anti-Extrusion Ring for High-Pressure Sealing - MROSupply.com

***Dichtomatik ST266S PTFE solid backup ring prevents O-ring extrusion in high-pressure static and dynamic sealing applications. Provides reliable anti-extrusion support for O-rings and U-cups in hydraulic and pneumatic systems. PTFE material offers excellent chemical resistance and a wide temperature range from -100°F to +500°F.***



## Product details:

- Catalog number: 75027415
- SKU: 2811730
- Price: ***$32.37*** Each
- Quantity: This vendor has a minimum order quantity of
2.Order minimum ($) may be applied.
Add desired QTY to cart and proceed to checkout to view minimum'

- Brand Minimum Order Quantity - 2
(This is the minimum order quantity if ordering this unit alone
from the vendor. Adding other products from the same vendor will reduce
the overall requirement. If adding multiple products from same vendor,
please add all products to cart to see total minimum.)
- 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
- Weight: 0.012 lb
- Technicall support: contact supplier for technical support on 800 328 2840


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


## Product attributes;

  
- Dash Number: 266
  

  
- Domestic/Import: Import
  

  
- I.D.: 8 in
  

  
- Material: PTFE
  

  
- O.D.: 8-1/4 in
  

  
- Temperature Rating: -65 to 500 deg F
  

  
- Thickness: 0.029 in
  

  
- Type: Solid
  

  
- Width: 0.121 in
  


## Product's reviews:
- Awesome - works grate
- Fast shipping - Order was filled quickly. Product was as described and packaging was good.
- 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
- F150 a/c compressor get back o.d" - I Saved on the Cost of Parts & Labor by Redi-sleeving my I.D" of my A/C collar.
MRO has fair prices for redi-sleeve.