Curved Backup Ring - NBR
SKU:
574-102
574-102 90A Buna-N Rubber Backup Ring | 1/16 in ID 3/32 in CS
Parback® backup ring with a curved cross-section.
Parbaks are contoured on one face to minimize distortion of the o-ring when under pressure. Parbaks should be installed with the contoured face against the o-ring, but reversal does no harm.
$0.40 / EA
90A Durometer | Buna-N Rubber Material | 1/16 in Nominal Inner Diameter | 3/32 in Cross Section | Backup Ring
Features
- Excellent extrusion resistance
- Easily stretched for installation
- Lubrication is enhanced by rubber which absorbs system fluid and does not plate out on rubbing surfaces
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Item Specifications
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3/32 Inch
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90A
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Parker
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NBR
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Buna-N Rubber
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240 °F
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-40 °F
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0.053 Inch
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1/16 Inch
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1/4 Inch
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Varies According to Diametral Clearance
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15 Years
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574
-
-40° to +240°F
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0.045 Inch
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±0.003
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inch
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0.00 lbs per EA
