Black Buna-N O-Ring | 78mm ID x 5mm Wide | 70 Durometer
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Black Buna-N O-Ring | 78mm ID x 5mm Wide | 70 Durometer

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Black Buna-N O-Ring | 78mm ID x 5mm Wide | 70 Durometer (35/Pkg.)

Mutual ScrewSKU: ZMUSH5X78B5
Price:
$32.48per 35( $0.93 each)
Pieces 35
Measurement type Metric
Material Nitrile
Color Black
Cross section 5
Cross section shape Round
Durometer 70
Inner diameter 78
Outer diameter 88
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

78 millimeter ID x 5 millimeter cross-section Buna-N O-ring set provides reliable oil-resistant sealing for industrial assemblies. Crafted from Buna-N nitrile elastomer at 70 duro, these circular O-rings are supplied in a pack of five for straightforward maintenance and stocking.

Specs

  • Dimensions: Inner Diameter 78 millimeters; Cross-Section 5 millimeters
  • Material: Buna-N nitrile elastomer; hardness 70 duro
  • Pack contents: 5 pieces per pack

Features

  • Oil resistance: Buna-N seal provides durable containment against mineral oils and lubricants in hydraulic, pneumatic, and automotive applications.
  • Dimensional accuracy: Precisely molded circular cross-section ensures consistent compression and minimizes extrusion within grooves designed for 78 millimeter ID seals.
  • Maintenance readiness: Pack of five pieces enables timely replacements and streamlined inventory for routine maintenance cycles.
  • Material compatibility: Buna-N nitrile elastomer offers reliable performance with petroleum-based fluids and common industrial solvents.

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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