# Dichtomatik ST457 PTFE Single Turn Split Backup Ring - Anti-Extrusion Ring for O-Ring Grooves - MROSupply.com

***Dichtomatik ST457 PTFE single turn split backup ring prevents O-ring extrusion in high-pressure static and dynamic sealing applications. PTFE material provides excellent chemical resistance and a temperature range of -100°F to +500°F. Suitable for use with O-rings in hydraulic and pneumatic systems.***



## Product details:

- Catalog number: ST457
- SKU: 2809695
- Call for Pricing - 888-671-2883
- 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: 0.029 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: 457
  

  
- Domestic/Import: Import
  

  
- I.D.: 14 in
  

  
- Material: PTFE
  

  
- O.D.: 14-1/2 in
  

  
- Temperature Rating: -65 to 500 deg F
  

  
- Thickness: 0.052 in
  

  
- Type: 1-Turn
  

  
- Width: 0.239 in
  


## Product's reviews:
- A+ - Perfect fit, my boat trailer back in the water.
- Fast shipping - Order was filled quickly. Product was as described and packaging was good.
- Seals - Hard to find seal. Fast service, free shipping. Good price.
- Seals - Fast delivery, very resonable cost