Black Buna-N O-Ring | 40mm ID x 5.3mm Wide | 70 Durometer
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Black Buna-N O-Ring | 40mm ID x 5.3mm Wide | 70 Durometer

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Black Buna-N O-Ring | 40mm ID x 5.3mm Wide | 70 Durometer (70/Pkg.)

Mutual ScrewSKU: ZMUSH5.3X40B10
Price:
$32.83per 70( $0.47 each)
Pieces 70
Measurement type Metric
Material Nitrile
Color Black
Cross section 5.3
Cross section shape Round
Durometer 70
Inner diameter 40
Outer diameter 50.6
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

Professional-grade O-ring seals designed for reliable, repeatable sealing in metric hydraulic and pneumatic assemblies. Buna-N (NBR) with 70 Shore A hardness provides consistent performance in a 40 millimeter inner diameter by 5.3 millimeter cross-section metric size, packed as 70 pieces in bags of 10 for efficient stocking and quick replacements.

Specs

  • Dimensions: Cross-section 5.3 millimeter; Inner diameter 40 millimeter
  • Material grade: Buna-N (NBR), 70 Shore A

Features

  • Sealing material: Buna-N (NBR) formulation with 70 Shore A hardness provides reliable sealing with good compression set resistance for general-purpose applications.
  • Metric compatibility: Metric o-ring seals sized 5.3 millimeter cross-section by 40 millimeter inner diameter (CS x ID) designed for standard metric fittings and housings.
  • Packaging: Total quantity 70 pieces; pre-cut seals packaged in bags containing 10 pieces each for straightforward stocking and quick replacements.
  • Use cases: Suitable for sealing hydraulic fittings, pneumatic equipment, automotive maintenance, irrigation systems, and light-industrial uses where precise small seals are required.

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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