Mutual Screw & Supply

0.07" CS X 3.739" ID Viton FKM O-Rings | AS568-044 | Dash 044 | X-Ring | 70 Durometer (10 / Pkg.)

0.07" CS X 3.739" ID Viton FKM O-Rings | AS568-044 | Dash 044 | X-Ring | 70 - Main image
$31.55 $52.58 In stock

Viton FKM o-rings in AS568-044, 3.739" inner diameter by 0.07" cross-section. Service range -15°F to +400°F (-26°C to +204°C). Also known as FKM, Fluoroelastomer.

Specifications

  • Product type: O-Ring (X-Ring)
  • Material: Viton FKM
  • AS568 dash size: 044
  • Cross-section: 0.07" (1.78 mm)
  • Inner diameter: 3.739" (94.97 mm)
  • Durometer: 70 Shore A
  • 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 (5.0 / 5 · 5 reviews)

Riley S. ★★★★★

The 70 durometer feels right for a firm seal without being brittle, and the 3.739" ID fit my application perfectly. So far they’ve held up at higher temps without any issue, which is exactly what I needed.

Madison G. ★★★★★

Used these to replace a worn seal in a hydraulic cylinder that sees temps over 300°F, and the Viton material handled it without any sign of softening or swelling. The 70 durometer gives just enough flex for installation while maintaining a solid seal under pressure.

Henry ★★★★★

The cross-section is exactly 0.07" as listed, which made seating these in the groove effortless compared to the squishier ones I've used before. They've handled the 350°F steam cycles in my setup for two weeks now without any visible wear.