Mutual Screw & Supply

0.139" CS X 1.234" ID Viton FKM O-Rings | AS568-218 | Dash 218 | 75 Durometer | Brown (70 / Pkg.)

0.139" CS X 1.234" ID Viton FKM O-Rings | AS568-218 | Dash 218 | 75 Durometer | - Main image
$38.56 $54.31 In stock

Viton FKM o-rings in AS568-218, 1.234" 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: 218
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 1.234" (31.34 mm)
  • Durometer: 75 Shore A
  • Color: Brown
  • Temperature range: -15°F to +400°F (-26°C to +204°C)
  • Measurement type: Imperial
  • Pack quantity: 70 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 (4.6 / 5 · 5 reviews)

Claire ★★★★★

I was worried about high-temp seals for my steam valve, but these Viton FKM rings handle the heat just like the specs say. The 75 durometer feels firm yet pliable during installation, and the brown color makes them easy to spot. Exactly what I needed for a reliable, lasting seal.

Violet L. ★★★★★

These fit perfectly on my old hydraulic fittings where the original seals had hardened. The brown color makes them easy to spot against the metal, and they're way more pliable than cheap Buna-N rings I've tried before.

Scarlett ★★★★★

I needed o-rings that could handle 400°F in a heat exchanger repair, and these Viton ones held up perfectly with no issues after several cycles. The brown color made them easy to spot during installation too.