Black Buna-N O-Ring | 380mm ID x 4mm Wide | 70 Durometer (5/Pkg.)

Mutual ScrewSKU: ZMUSH4X380B1

Price:
Sale price$30.30per 5( $6.06 each)
Pieces 5
Measurement type Metric
Material Nitrile
Color Black
Cross section 4
Cross section shape Round
Durometer 70
Inner diameter 380
Outer diameter 388
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-Ring set designed for critical industrial sealing applications. Precisely sized to fit standard groove dimensions with an inside diameter of 380 millimeters and a cross-section of 4 millimeters.

Specs

  • Inside diameter: 380 millimeters
  • Cross-section: 4 millimeters
  • Material grade: Buna-N (NBR) 70 Shore A
  • Pack quantity: 5 rings total; 1 ring per pack

Features

  • Oil and fuel resistance: Buna-N 70 Shore A compound provides reliable sealing against lubricants and hydrocarbons, extending service life in lubrication-intensive environments.
  • Low compression set: Maintains seal integrity over multiple cycles relative to softer elastomers.
  • Groove compatibility: Precise 4 millimeter cross-section and 380 millimeters inside diameter align with standard O-Ring groove sizes.
  • Standard industrial performance: Suitable for seals in general industrial equipment, hydraulics, and fluid systems under typical operating conditions.
  • Packaging: 5 rings total; 1 ring per pack to simplify inventory and procurement.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

Recently viewed