Solid Contoured Backup Ring 0.437" x 0.812" x 0.076" - Nitrile

Product Details : Solid Contoured Backup Ring 0.437" x 0.812" x 0.076" - Nitrile

• Part No: 8-309/N90
• Product Category: O-Rings
• Product Type: Solid Contoured Backup Ring
• Series: 8-XXX
• Dash No.: -309
• Material(s): Nitrile
• Material Code: NBR
• Durometer: 90
• Temperature Range: -40°F to +250°F (-40°C to +121°C)
• System Of Measurement: Inch
• Dimensions: 0.437" x 0.812" x 0.076"
• Nominal I.D. (d) : 0.437"
• Nominal O.D. (D) : 0.812"
• Nominal Width (W): 0.187"
• R: 0.262"
• Actual Thickness (T): 0.076"
• A: 0.060"
• Actual Width (W): 0.183"
• Details:
  •Back-Up Rings are predominantly used in conjunction with O-rings for both static and dynamic sealing applications
  •They prevent the O-ring from extruding when it is subjected to high pressures, or when clearance gaps are excessive

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*Photos for reference purposes only.