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    Connection Style
    Connection Style
    Flanged
    Quick Clamp
    High Vacuum Connection Type
    High Vacuum Connection Type
    CF
    ISO-KF
    Flange OD
    Flange OD
    1 21/64"
    2 3/4"
    4 1/2"
    6"
    For Tube OD
    For Tube OD
    3/4"
    1"
    1 1/2"
    2"
    2 1/2"
    4"
    Maximum Temperature
    Maximum Temperature
    390° F
    750° F
    Not Rated
    Window Diameter
    Window Diameter
    5/8"
    7/8"
    1 3/8"
    2 5/8"
    3 7/8"
    Mount Type
    Mount Type
    Bolt On
    Clamp On
    Screw
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    Trade Number
    Trade Number
    16
    25
    40
    50
    63
    100
    Bolt Circle Diameter
    Bolt Circle Diameter
    1 1/16"
    2 5/16"
    3 5/8"
    5 1/8"
    Bolt Hole Diameter
    Bolt Hole Diameter
    11/64"
    17/64"
    21/64"
    Number of Bolt Holes
    Number of Bolt Holes
    6
    8
    16
    For Flange OD
    For Flange OD
    1.18"
    1.57"
    2.16"
    2.75"
    2.95"
    4.5"
    6"
    Brightness
    Brightness
    33 lumens
    67 lumens
    100 lumens
    Specifications Met
    Specifications Met
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    For Flange Trade Number
    For Flange Trade Number
    40
    63
    100
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    23 Products