Black Buna-N O-Ring | 285mm ID x 4mm Wide | 70 Durometer
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Black Buna-N O-Ring | 285mm ID x 4mm Wide | 70 Durometer

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Black Buna-N O-Ring | 285mm ID x 4mm Wide | 70 Durometer (7/Pkg.)

Mutual ScrewSKU: ZMUSH4X285B1
Price:
$33.04per 7( $4.72 each)
Pieces 7
Measurement type Metric
Material Nitrile
Color Black
Cross section 4
Cross section shape Round
Durometer 70
Inner diameter 285
Outer diameter 293
Temp range '-40°F to +250°F (-40°C to +121°C)
Weight 0.5 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Precision Buna N O-Ring with 285 millimeters inside diameter and 4 millimeters cross-section provides dependable sealing in oil- and fuel-containing systems. The elastomer seal rated at 70 Shore A hardness ensures reliable compression and seating across hydraulic and pneumatic applications.

Specs

  • Dimensions: ID 285 millimeters; CS 4 millimeters
  • Material: Buna N (NBR)
  • Hardness: 70 Shore A
  • Color: Black
  • Packaging: 1 piece per pack

Features

  • Elastomer material: Buna N (NBR) provides oil- and fuel-resistance suitable for hydraulic fluids and petroleum fuels
  • Dimensional precision: 285 millimeters ID and 4 millimeters CS ensure precise seating in cylindrical housings, pumps, and actuators
  • Applications: general-purpose sealing in hydraulic systems, pneumatic systems, and fluid-handling equipment where Buna N is appropriate
  • Compression stability: tight dimensional tolerance supports consistent compression and seating, reducing leakage paths
  • Oil and fuel compatibility: Buna N (NBR) elastomer is suitable for oil- and fuel-containing environments

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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