5J-4987: Piston Seal
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    5J-4987: Piston Seal

    Part Number: 5J-4987
    Brand: Cat
    Retrieving Price.....

    Type 1

    A two-piece seal, consisting of a piston ring and an expander, which prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure greater than 3000 psi (20,670 kpa). The various shaped expanders are nitrile.

    UNITS:
    • US
    • Metric
    • Bore Diameter (in): 4.75
    • Groove Diameter - B (+/- 0.003inch) (in): 4.09
    • Groove Width - A (+/- 0.002inch) (in): 0.25
    • Seal Shape: Type 1
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