Black Buna-N O-Ring | 189.3mm ID x 5.7mm Wide | 70 Durometer
Roll over image to zoom in Click on image to zoom
Black Buna-N O-Ring | 189.3mm ID x 5.7mm Wide | 70 Durometer

Image may not reflect complete product dimensions and specifications. Please call to confirm any questions.

Black Buna-N O-Ring | 189.3mm ID x 5.7mm Wide | 70 Durometer (12/Pkg.)

Mutual ScrewSKU: ZMUSH5.7X189.3B2
Price:
$31.98per 12( $2.67 each)
Pieces 12
Measurement type Metric
Material Nitrile
Color Black
Cross section 5.7
Cross section shape Round
Durometer 70
Inner diameter 189.3
Outer diameter 200.7
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

High-precision Buna-N O-Ring designed for reliable sealing in large diameter housings. The 12-piece set uses Buna N (NBR) elastomer with 70 Shore A hardness, offering 189.3 millimeters inner diameter and 5.7 millimeters cross-section for robust, repeatable seals across medium-size applications.

Specs

  • Quantity per pack: 12 pieces
  • Inner diameter: 189.3 millimeters
  • Cross-section: 5.7 millimeters
  • Finish: Black
  • Material: Buna N (NBR)
  • Hardness: 70 Shore A
  • Size designation: Metric
  • O-ring type: Buna N (NBR) seal

Features

  • Material compatibility: Buna N (NBR) elastomer provides reliable resistance to mineral oil–based fluids.
  • Sealing performance: 70 Shore A hardness delivers consistent compression resilience under gland loading, reducing leak paths.
  • Sealing geometry: Large inner diameter 189.3 millimeters and cross-section 5.7 millimeters enable robust seal in medium-size housings.
  • Packaging and stock management: 12-piece pack simplifies inventory control and field replacement planning.
  • Application domains: Suitable for hydraulic, pneumatic, and automotive fluid sealing where Buna N (NBR) is compatible.

Can We Help?

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

Recently viewed