# Dichtomatik ST458 PTFE Single Turn Split Backup Ring - Anti-Extrusion Ring for O-Rings - MROSupply.com

***Dichtomatik ST458 PTFE single turn split backup ring prevents O-ring extrusion in high-pressure hydraulic and pneumatic systems. PTFE construction provides chemical resistance and operates from -100°F to +500°F. Split design allows easy installation without removing existing components.***



## Product details:

- Catalog number: ST458
- SKU: 2809698
- Call for Pricing - 888-671-2883
- 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: 458
  

  
- Domestic/Import: Import
  

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

  
- Material: PTFE
  

  
- O.D.: 15 in
  

  
- Temperature Rating: -65 to 500 deg F
  

  
- Thickness: 0.052 in
  

  
- Type: 1-Turn
  

  
- Width: 0.239 in
  


## Product's reviews:
- 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
- Order can fast and worked - Got a part for my 1972 Gravley plow worked perfect