Mutual Screw & Supply

Buna-N Nitrile O-Rings | AS568-429 | Dash 429 | 70 Durometer | Black (35 / Pkg.)

Buna-N Nitrile O-Rings | AS568-429 | Dash 429 | 70 Durometer | Black (35 / Pkg.) - Main image
$34.02 $50.03 In stock

Buna-N Nitrile o-rings in AS568-429. Service range -40°F to +250°F (-40°C to +121°C). Also known as NBR, Buna-N, Chemigum, Hycar, Perbunan.

Specifications

  • Product type: O-Ring
  • Material: Buna-N Nitrile
  • AS568 dash size: 429
  • Durometer: 70 Shore A
  • Color: Black
  • Temperature range: -40°F to +250°F (-40°C to +121°C)
  • Measurement type: Imperial
  • Pack quantity: 35 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)

Christopher ★★★★★

I needed a #429 size for a hydraulic repair and these fit the groove perfectly with no distortion. The 70 durometer feels firm but pliable enough to install easily without tearing.

Ryan ★★★★★

The temperature range on these is exactly what I needed for a hot oil line at work, and the 70 durometer feels firm but still seats well in the groove. Pack of 35 means I’ve got spares for next time too.

Isabella R. ★★★★★

Used these to rebuild a hydraulic cylinder on my log splitter, and they sealed perfectly at 1500 psi without any leaks. The temperature range covers everything I’d ever need, from cold winter starts to hot summer runs.