Black Buna-N O-Ring | 5mm ID x 3.5mm Wide | 70 Durometer
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Black Buna-N O-Ring | 5mm ID x 3.5mm Wide | 70 Durometer

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Black Buna-N O-Ring | 5mm ID x 3.5mm Wide | 70 Durometer (250/Pkg.)

Mutual ScrewSKU: ZMUSH3.5X5B25
Price:
$33.20per 250( $0.13 each)
Pieces 250
Measurement type Metric
Material Nitrile
Color Black
Cross section 3.5
Cross section shape Round
Durometer 70
Inner diameter 5
Outer diameter 12
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

Black Buna-N O-rings designed for small form factor seals. The 70 Shore A hardness provides consistent compression for reliable sealing in miniature assemblies with a 3.5 millimeter cross-section and 5 millimeter inner diameter.

Specs

  • Dimensions: 3.5 millimeters cross-section; 5 millimeters inner diameter
  • Material: Buna-N (nitrile elastomer)
  • Hardness: 70 Shore A
  • Finish: Black
  • Package quantity: 25 pieces per pack

Features

  • Small-diameter seal set: designed for compact sealing tasks in micro assemblies, enclosures, and instrumentation housings.
  • Uniform hardness: 70 Shore A provides consistent compression and reliable seal performance across mating surfaces.
  • Material compatibility: Buna-N offers resistance to petroleum-based oils and fuels, enabling sealing in fluid-containing interfaces under typical operating conditions.
  • Application scope: suitable for miniature hydraulic components, tiny gaskets, and small form factor equipment requiring 3.5 millimeter cross-section by 5 millimeter inner diameter seals.
  • Packaging convenience: 25 pieces per pack supports stocking, spares, and quick deployment during assembly or maintenance.

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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