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    UN12
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    Nylon InsertCotter Pin
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    StandardExtra-Wide
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    Fastener Strength Grade/Class
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    click to learn more about
    click to learn more about Grade 5
    click to learn more about Grade 8
    Grade 5Grade 8
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    Grade C
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    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    Class 2B
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    Insert Maximum Temperature
    Insert Maximum Temperature
    220° F
    250° F
    For Cotter Pin Diameter
    For Cotter Pin Diameter
    3/8"
    Minimum Slot Depth
    Minimum Slot Depth
    0.44"
    Minimum Slot Width
    Minimum Slot Width
    0.43"
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    6 Products

    High-Strength Steel Nylon-Insert Locknuts—Grade 8

    High-Strength Steel Extra-Wide
    Thin Nylon-Insert Locknuts

    Low-Strength Steel Locknuts for use with Cotter Pins

    Steel-Insert Locknuts for Extreme Vibration—Grade 5