Mutual Screw & Supply

0.103" CS X 2.549" ID Viton FKM O-Rings | AS568-145 | Dash 145 | 75 Durometer | Black (40 / Pkg.)

0.103" CS X 2.549" ID Viton FKM O-Rings | AS568-145 | Dash 145 | 75 Durometer | - Main image
$31.12 $51.02 In stock

Viton FKM o-rings in AS568-145, 2.549" inner diameter by 0.103" cross-section. Service range -15°F to +400°F (-26°C to +204°C). Also known as FKM, Fluoroelastomer.

Specifications

  • Product type: O-Ring
  • Material: Viton FKM
  • AS568 dash size: 145
  • Cross-section: 0.103" (2.62 mm)
  • Inner diameter: 2.549" (64.74 mm)
  • Durometer: 75 Shore A
  • Color: Black
  • Temperature range: -15°F to +400°F (-26°C to +204°C)
  • Measurement type: Imperial
  • Pack quantity: 40 per package
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.4 / 5 · 5 reviews)

Thomas ★★★★★

Installed these on a high-temp pump that gets up to 350°F, and they’ve held up perfectly with no leaks. The 75 durometer feels firm but not brittle, and the black finish looks clean. Exactly what I needed for the AS568-145 spec.

Edward G. ★★★★★

I'm using these as replacements in a steam valve that sees constant 350°F cycles, and the Viton FKM material hasn't shown any signs of hardening after a month. The uniform cross-section made installation easier than cheaper rubber rings I've tried.

Violet O. ★★★★☆

The 75 durometer feels consistent across all 40 rings, and they fit snugly in the grooves I needed. Only ding is the packaging—two rings arrived slightly squished, though they popped right back into shape after a minute in warm water.