DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    DFARS Specialty Metals
    COTS-Exempt
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    DFARS Specialty Metals
    Compliant
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    System of Measurement
    System of Measurement
    Inch
    Metric
    For OD
    For OD
    0.02"
    0.034"
    3/64"
    0.053" to 0.12"
    1/16"
    1/16" to 1/8"
    5/64"
    0.079" to 0.15"
    3/32"
    0.1"
    7/64"
    0.111" to 0.177"
    1/8"
    1/8" to 3/16"
    9/64"
    5/32"
    11/64"
    3/16"
    3/16" to 1/4"
    3/16" to 1/2"
    0.205" to 0.273"
    7/32"
    0.22"
    0.223"
    15/64"
    0.235" to 0.302"
    1/4"
    1/4" to 5/16"
    1/4" to 1/2"
    9/32"
    0.288"
    0.295"
    0.298" to 0.365"
    5/16"
    5/16" to 3/8"
    0.32"
    0.327" to 0.394"
    0.338"
    0.34"
    11/32"
    0.355"
    0.356" to 0.422"
    23/64"
    0.362"
    3/8"
    3/8" to 7/16"
    3/8" to 7/8"
    3/8" to 1"
    0.385"
    0.385" to 0.451"
    25/64"
    13/32"
    0.409" to 0.485"
    27/64"
    0.427"
    7/16"
    0.443"
    29/64"
    0.456"
    0.46"
    0.468" to 0.545"
    15/32"
    0.48"
    31/64"
    0.487" to 0.568"
    0.495"
    1/2"
    1/2" to 9/16"
    0.512"
    0.513"
    33/64"
    0.518" to 0.605"
    17/32"
    0.535"
    35/64"
    0.559"
    9/16"
    19/32"
    3/5"
    39/64"
    0.613" to 0.693"
    0.615"
    5/8"
    5/8" to 11/16"
    0.643"
    21/32"
    21/32" to 1 3/8"
    0.663" to 0.761"
    43/64"
    0.679"
    0.687" to 0.785"
    11/16"
    0.695"
    45/64"
    23/32"
    47/64"
    0.74"
    0.74" to 0.849"
    3/4"
    3/4" to 13/16"
    0.753" to 0.868"
    51/64"
    13/16"
    53/64"
    0.835"
    27/32"
    55/64"
    7/8"
    7/8" to 15/16"
    7/8" to 1 3/8"
    7/8" to 2 1/4"
    0.893"
    0.901" to 1.027"
    0.933" to 1.083"
    15/16"
    61/64"
    31/32"
    63/64"
    1"
    1" to 1 1/16"
    1.005"
    1 1/32"
    1 1/32" to 2 5/32"
    1 3/64"
    1.053"
    1 1/16"
    1 1/16" to 1 1/8"
    1.085" to 1.358"
    1 1/8"
    1 1/8" to 1 3/16"
    1.143"
    1.169" to 1.437"
    1.173" to 1.298"
    1 3/16"
    1 3/16" to 1 1/4"
    1 15/64"
    1.249" to 1.402"
    1 1/4"
    1 1/4" to 1 5/16"
    1.261"
    1.282" to 1.445"
    1.303"
    1 5/16"
    1 3/8"
    1 3/8" to 1 7/16"
    1 7/16" to 2 15/16"
    1.498" to 1.62"
    1 1/2"
    1 1/2" to 1 9/16"
    1 1/2" to 5"
    1 1/2" to 8"
    1.548"
    1.568" to 1.688"
    1.604"
    1 5/8"
    1 5/8" to 1 11/16"
    1 21/32"
    1 11/16"
    1 11/16" to 2 3/8"
    1.688" to 1.818"
    1.718" to 1.888"
    1 3/4"
    1 3/4" to 1 13/16"
    1.781" to 1.938"
    1.837" to 2.013"
    1.841"
    1 7/8"
    1 7/8" to 1 15/16"
    1.9"
    1 29/32"
    1.953" to 2.085"
    2"
    2" to 2 1/16"
    2.063" to 2.377"
    2.074" to 2 1/4"
    2 1/8" to 2 3/16"
    2.235" to 2.401"
    2 1/4"
    2 1/4" to 2 5/16"
    2 1/4" to 11"
    2.313"
    2.333" to 2.54"
    2 3/8"
    2 3/8" to 2 7/16"
    2.395" to 2.688"
    2 1/2"
    2 1/2" to 2 9/16"
    2 1/2" to 3"
    2.579" to 2.728"
    2 5/8" to 2 11/16"
    2.656" to 2.926"
    2.685" to 2.947"
    2 3/4"
    2 3/4" to 2 13/16"
    2.787" to 2.918"
    2.792"
    2.8"
    2 7/8"
    2 7/8" to 16"
    2.912" to 3.175"
    3"
    3" to 3 1/16"
    3.02" to 3.3"
    3 1/8" to 3 3/16"
    3.2" to 3.492"
    3 1/4"
    3 1/4" to 3 5/16"
    3 5/16" to 4 9/16"
    3.41" to 3.54"
    3.411"
    3.48" to 3.66"
    3 1/2"
    3 1/2" to 3 9/16"
    3 5/8"
    3 5/8" to 3 11/16"
    3 5/8" to 17"
    3.71" to 3.84"
    3.86" to 4"
    3.94" to 4.07"
    4"
    4" to 4 1/16"
    4 1/8"
    4.29" to 4.54"
    4.37" to 4.62"
    4 3/8" to 24"
    4.412"
    4 1/2"
    4 3/4"
    4 3/4" to 4 13/16"
    4.92" to 5.1"
    5"
    5.21" to 5.37"
    5.49" to 5.67"
    5 1/2"
    5 9/16"
    5.92" to 6.1"
    6 3/16"
    6.33" to 6.49"
    6.53" to 6.63"
    6 5/8"
    7 5/16"
    8 1/2"
    8.67" to 8.73"
    10 5/8"
    12 3/4"
    15"
    16 1/4"
    18 1/2"
    21"
    23"
    4 to 5 mm
    5 to 6 mm
    6 to 7 mm
    8 mm
    8 to 9 mm
    9 to 10 mm
    10 mm
    10 to 11 mm
    11 to 12 mm
    12 mm
    12 to 13 mm
    13 to 15 mm
    14 mm
    14 to 16 mm
    15 to 17 mm
    16 mm
    16 to 18 mm
    17 to 19 mm
    18 mm
    18 to 20 mm
    20 mm
    20 to 22 mm
    21mm
    22mm
    24 mm
    24 to 26 mm
    25mm
    28mm
    32mm
    35mm
    38mm