Mutual Screw & Supply

0.139" CS X 6.734" ID Viton FKM O-Rings | AS568-263 | Dash 263 | 75 Durometer | Black (10 / Pkg.)

0.139" CS X 6.734" ID Viton FKM O-Rings | AS568-263 | Dash 263 | 75 Durometer | - Main image
$39.09 $60.14 In stock

Viton FKM o-rings in AS568-263, 6.734" inner diameter by 0.139" 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: 263
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 6.734" (171.04 mm)
  • Durometer: 75 Shore A
  • Color: Black
  • Temperature range: -15°F to +400°F (-26°C to +204°C)
  • Measurement type: Imperial
  • Pack quantity: 10 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)

Alexander ★★★★★

I bought these for a high-temp application and the -15°F to +400°F range covers everything I need. The 75 durometer feels tougher than the standard Buna-N rings I used before.

Mia S. ★★★★★

I’d been worried about finding an o-ring that could handle the cycling heat near my furnace, but the -15°F to +400°F range on these covers both extremes well. The 75 durometer feels firm yet flexible when I install them, and the 0.139" cross-section seats perfectly in the deep groove.

Brian Z. ★★★★★

I needed a replacement for a high-temp application and these Viton o-rings fit perfectly, the 6.734" ID was spot on. They seem well-made with the 75 durometer feeling firm but flexible enough to seat easily.