# Dichtomatik ST211S PTFE Backup Ring - MROSupply.com

***Dichtomatik ST211S PTFE solid backup ring for high-pressure sealing applications. Prevents O-ring extrusion in static and dynamic systems. Suitable for temperatures from -100°F to +500°F.***



## Product details:

- Catalog number: 75089406
- SKU: 2804665
- Price: ***$1.36*** Each
- Quantity: This vendor has a minimum order quantity of
39.Order minimum ($) may be applied.
Add desired QTY to cart and proceed to checkout to view minimum'

- Brand Minimum Order Quantity - 39
(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: 0.001 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: 211
  

  
- Domestic/Import: Import
  

  
- I.D.: 13/16 in
  

  
- Material: PTFE
  

  
- O.D.: 1-1/16 in
  

  
- Temperature Rating: -65 to 500 deg F
  

  
- Thickness: 0.029 in
  

  
- Type: Solid
  

  
- Width: 0.122 in
  


## Product's reviews:
- A+ - Perfect fit, my boat trailer back in the water.
- Wiper - LOOK GOOD
- 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.
- Dichtomatick order - Very reliable