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    System of Measurement
    System of Measurement
    Inch
    Metric
    Shape
    Shape
    RoundRing
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense
    Acquisition
    Regulations Supplement)
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    Specifications Met
    Specifications Met
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    For Shoulder Diameter
    For Shoulder Diameter
    1/8"
    3/16"
    1/4"
    5/16"
    3/8"
    1/2"
    5/8"
    3/4"
    5mm
    6mm
    8mm
    10mm
    12mm
    16mm
    20mm
    Minimum Hardness
    Minimum Hardness
    Rockwell B70
    Rockwell C40
    Magnetic Properties
    Magnetic Properties
    May Be Mildly Magnetic
    Magnetic
    For Tube OD
    For Tube OD
    3/4"
    7/8"
    1"
    1 7/64"
    1 1/8"
    For Hole Diameter
    For Hole Diameter
    0.166"
    0.213"
    Number of Pieces
    Number of Pieces
    270
    300
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