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    10 Products

    Oil-Resistant Buna-N Backup Rings

    Image of Product. Bottom orientation. Backup Rings. Oil-Resistant Buna-N Backup Rings.
    Image of Attribute. Front orientation. CrossSection view. Contains Annotated. Oil-Resistant Buna-N Backup Rings.
    Made of Buna-N, these backup rings resist grease, petroleum fluids, and motor oil. Use them to extend the life of your O-rings and improve their performance in high-pressure applications.
    For Dash
    No.
    Thk.
    ID
    OD
    Hardness
    Temp. Range,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    0.236" Wide
    426
    0.117"4.676"5.148"Durometer 90A (Hard)-40 to 250Black105288T436000000
    427
    0.117"4.801"5.273"Durometer 90A (Hard)-40 to 250Black105288T43700000
    429
    0.117"5.051"5.523"Durometer 90A (Hard)-40 to 250Black105288T43900000
    433
    0.117"5.551"6.023"Durometer 90A (Hard)-40 to 250Black105288T44300000
    437
    0.117"6.051"6.523"Durometer 90A (Hard)-40 to 250Black105288T44700000
    439
    0.117"6.524"6.996"Durometer 90A (Hard)-40 to 250Black105288T44900000
    443
    0.117"7.524"7.996"Durometer 90A (Hard)-40 to 250Black105288T45300000
    446
    0.117"8.524"8.996"Durometer 90A (Hard)-40 to 250Black55288T45600000
    451
    0.117"11.024"11.496"Durometer 90A (Hard)-40 to 250Black55288T46100000
    452
    0.117"11.524"11.996"Durometer 90A (Hard)-40 to 250Black55288T46200000
     
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