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    21 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.
    0.183" Wide
    322
    0.076"1.263"1.629"Durometer 90A (Hard)-40 to 250Black505288T35100000
    323
    0.076"1.316"1.682"Durometer 90A (Hard)-40 to 250Black505288T3520000
    325
    0.076"1.513"1.879"Durometer 90A (Hard)-40 to 250Black505288T3540000
    326
    0.076"1.638"2.004"Durometer 90A (Hard)-40 to 250Black505288T35500000
    329
    0.076"2.013"2.379"Durometer 90A (Hard)-40 to 250Black505288T35800000
    330
    0.076"2.138"2.504"Durometer 90A (Hard)-40 to 250Black505288T35900000
    333
    0.076"2.518"2.884"Durometer 90A (Hard)-40 to 250Black505288T36200000
    334
    0.076"2.643"3.009"Durometer 90A (Hard)-40 to 250Black505288T36300000
    337
    0.076"3.018"3.384"Durometer 90A (Hard)-40 to 250Black255288T36600000
    338
    0.076"3.143"3.509"Durometer 90A (Hard)-40 to 250Black255288T36700000
    339
    0.076"3.273"3.639"Durometer 90A (Hard)-40 to 250Black255288T36800000
    340
    0.076"3.398"3.764"Durometer 90A (Hard)-40 to 250Black255288T36900000
    341
    0.076"3.523"3.889"Durometer 90A (Hard)-40 to 250Black255288T3700000
    342
    0.076"3.648"4.014"Durometer 90A (Hard)-40 to 250Black255288T37100000
    343
    0.076"3.773"4.139"Durometer 90A (Hard)-40 to 250Black255288T37200000
    344
    0.076"3.898"4.264"Durometer 90A (Hard)-40 to 250Black255288T37300000
    345
    0.076"4.028"4.394"Durometer 90A (Hard)-40 to 250Black255288T37400000
    346
    0.076"4.153"4.519"Durometer 90A (Hard)-40 to 250Black255288T37500000
    349
    0.076"4.528"4.894"Durometer 90A (Hard)-40 to 250Black105288T3780000
    351
    0.076"4.778"5.144"Durometer 90A (Hard)-40 to 250Black105288T380000
    358
    0.076"5.653"6.019"Durometer 90A (Hard)-40 to 250Black105288T38700000
     
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