Black Buna-N O-Ring | 4.9mm ID x 1.9mm Wide | 70 Durometer
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Black Buna-N O-Ring | 4.9mm ID x 1.9mm Wide | 70 Durometer

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Black Buna-N O-Ring | 4.9mm ID x 1.9mm Wide | 70 Durometer (450/Pkg.)

Mutual ScrewSKU: ZMUSH1.9X4.9B50
Price:
$30.69per 450( $0.07 each)
Pieces 450
Measurement type Metric
Material Nitrile
Color Black
Cross section 1.9
Cross section shape Round
Durometer 70
Inner diameter 4.9
Outer diameter 8.7
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-rings designed for compact seal applications. These molded, black nitrile seals deliver reliable petroleum-based oil resistance and a consistent seal fit at small diameters.

Specs

  • Dimensions: Inside diameter 4.9 millimeters; Cross-section 1.9 millimeters
  • Finish: Molded, round profile
  • Material grade: Buna N (Nitrile)
  • Durometer: 70 Shore A
  • Packaging: Total quantity 450 pieces; 9 packs of 50 pieces

Features

  • Oil resistance: Buna N 70 provides resistance to petroleum-based oils and many common solvents
  • Size precision: Precisely sized for consistent fit; ID 4.9 millimeters; CS 1.9 millimeters
  • Seal profile: Molded, round O-ring design ensures uniform compression and seating
  • Bulk packaging: 450 pieces total in 9 packs of 50 pieces to support stock replenishment
  • Catalog expansion: New nitrile sealing option for small-diameter seal needs
  • Ideal use cases: Routine seal replacements for compact machinery, small automotive components, HVAC fittings, and household appliance repairs

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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