MBN U-Seal Back-Up Ring | Metric Nylon Hydraulic Back-Up Ring | HydraPak Seals, Inc
Notice: 10% tariff fee now in effect.

MBN-50X5X1.9

MBN Nylon U-Seal Back-up Ring, 50 X 5 X 1.9

Part #:
MBN-50X5X1.9
Min. Order Qty: 1

Brand: HPSI

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HPSI

The MBN U-Seal Back-Up Ring is a metric nylon back-up ring designed to provide anti-extrusion support for hydraulic U-seals in high-pressure applications. Precision manufactured for metric seal glands, it helps protect the primary seal from extrusion, improving sealing reliability and extending service life.

Cross Section      :      5 mm
Inside Diameter      :      50 mm
Material      :      Nylon
Part Number      :      (Prefix)-(ID) X (CS) X (W)
Pressure Range      :      0 TO 5,000 PSI
Temperature Range      :      -65° to 220°F
Width      :      1.9 mm
  • Nylon construction provides excellent extrusion resistance
  • Supports hydraulic U-seals in high-pressure applications
  • Helps protect the primary seal from extrusion damage
  • Metric sizing for metric hydraulic seal glands
  • Improves sealing reliability and service life

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