Black Buna-N O-Ring | 30.5mm ID x 1mm Wide | 70 Durometer
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Black Buna-N O-Ring | 30.5mm ID x 1mm Wide | 70 Durometer

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Black Buna-N O-Ring | 30.5mm ID x 1mm Wide | 70 Durometer (175/Pkg.)

Mutual ScrewSKU: ZMUSH1X30.5B25
Price:
$30.17per 175( $0.17 each)
Pieces 175
Measurement type Metric
Material Nitrile
Color Black
Cross section 1
Cross section shape Round
Durometer 70
Inner diameter 30.5
Outer diameter 32.5
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

The [175 PKG] Black Buna-N O-Ring is a nitrile elastomer seal engineered for precise compression in grooves sized for 30.5 millimeter inside diameter and 1.0 millimeter cross-section. With 70 Shore A hardness, it provides reliable sealing performance against mineral oils, fuels, and general lubricants common in industrial equipment.

Specs

  • Dimensions: Inside Diameter 30.5 millimeter; Cross-section 1.0 millimeter
  • Material: Buna-N (Nitrile rubber)
  • Hardness: 70 Shore A
  • Color: Black
  • Pack quantity: 25 pieces per pack; Total quantity 175 pieces (seven packs total)

Features

  • Precise groove fit: Precisely sized for grooves designed for 30.5 millimeter inside diameter and 1.0 millimeter cross-section to ensure compression sealing.
  • Chemical resistance: Buna-N material provides resistance to mineral oils, fuels, and general lubricants common in industrial equipment.
  • Sealing performance under repetitive cycles: 70 Shore A hardness balances sealing force with resistance to compression set during repetitive cycles.
  • Packaging strategy for maintenance: Pack structure supports maintenance intervals, stock replenishment, or batch sealing projects.
  • Ideal use cases: Hydraulic and pneumatic systems, automotive seals, industrial machinery, and equipment requiring standard 30.5 millimeter ID, 1 millimeter cross-section O-rings.

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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