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574 Back-Up Rings

574 Back-Up Rings

Molded of 90A Durometer Buna-N Rubber, these 'Parback®' Style Dished Cross Section back-up rings provide excellent extrusion resistance. Stretched for installation, they return quickly to their original size for easy installation. 
NOTE: Sizes (Dash No.) corresponds to standard O-ring numbers.

SEAL INFORMATION
MATERIAL 90A BUNA-N RUBBER
TEMPERATURE RANGE -40° TO +240°F
PRESSURE RANGE VARIES ACCORDING TO DIAMETRAL CLEARANCE
PART NUMBER (Prefix) - (Dash No.)

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  • 574-004

    574-004
    $0.34

  • 574-005

    574-005
    $0.34

  • 574-006

    574-006
    $0.27

  • 574-007

    574-007
    $0.25

  • 574-008

    574-008
    $0.27

  • 574-009

    574-009
    $0.27

  • 574-010

    574-010
    $0.27

  • 574-011

    574-011
    $0.27

  • 574-012

    574-012
    $0.29

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