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    System of Measurement
    System of Measurement
    Inch
    Diameter
    Diameter
    Show
    8 3/8"
    Diameter
    Diameter
    Hide
    default
    0.002"
    0.003"
    0.004"
    0.005"
    0.006"
    0.007"
    0.008"
    0.009"
    0.01"
    0.011"
    0.012"
    0.013"
    0.0135"
    0.014"
    0.0145"
    0.015"
    0.0156"
    1/64"
    0.016"
    0.017"
    0.018"
    0.02"
    0.021"
    0.022"
    0.0225"
    0.023"
    0.024"
    0.025"
    0.026"
    0.028"
    0.029"
    0.0292"
    0.03"
    0.031"
    0.0312"
    1/32"
    0.0313"
    0.0315"
    0.032"
    0.033"
    0.035"
    0.036"
    0.037"
    0.038"
    0.039"
    0.04"
    0.041"
    0.042"
    0.043"
    0.045"
    0.0465"
    3/64"
    0.0469"
    0.047"
    0.048"
    0.049"
    0.05"
    0.051"
    0.052"
    0.053"
    0.054"
    0.055"
    0.057"
    0.059"
    0.0595"
    0.06"
    0.061"
    0.062"
    1/16"
    0.063"
    0.0635"
    0.064"
    0.065"
    0.066"
    0.067"
    0.069"
    0.07"
    0.071"
    0.072"
    0.073"
    0.074"
    0.075"
    0.076"
    0.077"
    0.078"
    0.0781"
    5/64"
    0.0782"
    0.0785"
    0.079"
    0.08"
    0.081"
    0.082"
    0.085"
    0.086"
    0.088"
    0.089"
    0.091"
    0.092"
    0.0935"
    0.0937"
    3/32"
    0.0938"
    0.094"
    0.095"
    0.096"
    0.097"
    0.098"
    0.099"
    0.0995"
    0.100"
    0.101"
    0.1015"
    0.102"
    0.103"
    0.104"
    0.105"
    0.106"
    0.1065"
    0.108"
    0.109"
    0.1093"
    7/64"
    0.1094"
    0.11"
    0.111"
    0.112"
    0.113"
    0.114"
    0.115"
    0.116"
    0.118"
    0.12"
    1/8"
    0.126"
    0.127"
    0.128"
    0.1285"
    0.134"
    0.135"
    0.136"
    0.137"
    0.139"
    0.1405"
    0.1406"
    9/64"
    0.142"
    0.143"
    0.144"
    0.146"
    0.147"
    0.148"
    0.1495"
    0.15"
    0.151"
    0.152"
    0.153"
    0.154"
    0.155"
    0.1562"
    5/32"
    0.1563"
    0.157"
    0.159"
    0.161"
    0.162"
    0.164"
    0.165"
    0.166"
    0.168"
    0.1695"
    0.1718"
    11/64"
    0.1719"
    0.172"
    0.173"
    0.175"
    0.177"
    0.178"
    0.18"
    0.182"
    0.185"
    0.187"
    3/16"
    0.188"
    0.189"
    0.19"
    0.191"
    0.1935"
    0.194"
    0.196"
    0.197"
    0.199"
    0.201"
    0.2031"
    13/64"
    0.204"
    0.2055"
    0.207"
    0.209"
    0.21"
    0.212"
    0.213"
    0.218"
    0.2187"
    7/32"
    0.2188"
    0.219"
    0.221"
    0.227"
    0.228"
    0.234"
    0.2343"
    15/64"
    0.2344"
    0.238"
    0.242"
    0.246"
    1/4"
    0.257"
    0.261"
    0.264"
    0.2656"
    17/64"
    0.266"
    0.272"
    0.275"
    0.277"
    0.281"
    0.2812"
    9/32"
    0.2813"
    0.29"
    0.2902"
    0.295"
    0.2968"
    19/64"
    0.2969"
    0.297"
    0.302"
    5/16"
    0.313"
    0.316"
    0.323"
    0.3281"
    21/64"
    0.332"
    0.339"
    0.3437"
    11/32"
    0.3438"
    0.348"
    0.358"
    0.3593"
    23/64"
    0.3594"
    0.368"
    3/8"
    0.377"
    0.386"
    0.3906"
    25/64"
    0.397"
    2/5"
    0.404"
    0.406"
    0.4062"
    13/32"
    0.4063"
    0.413"
    0.4218"
    27/64"
    0.4219"
    7/16"
    0.4531"
    29/64"
    0.4687"
    15/32"
    0.4688"
    0.4843"
    31/64"
    0.4844"
    1/2"
    0.5156"
    17/32"
    0.5313"
    0.5469"
    0.548"
    9/16"
    0.5781"
    19/32"
    0.5938"
    0.6094"
    5/8"
    0.6406"
    21/32"
    0.6563"
    0.6719"
    0.68"
    11/16"
    0.688"
    0.703"
    0.7031"
    0.709"
    23/32"
    0.7188"
    0.7344"
    3/4"
    0.7656"
    25/32"
    0.7813"
    0.787"
    0.7969"
    13/16"
    0.8281"
    0.8438"
    0.8594"
    0.866"
    7/8"
    0.8906"
    0.891"
    29/32"
    0.9063"
    0.9219"
    15/16"
    0.9531"
    0.9688"
    0.984"
    0.9844"
    1"
    1.024"
    1 1/16"
    1.063"
    1 3/32"
    1.102"
    1 1/8"
    1 3/16"
    1 1/4"
    1.26"
    1 9/32"
    1 5/16"
    1.344"
    1 3/8"
    1 13/32"
    1.417"
    1 7/16"
    1 15/32"
    1.469"
    1 1/2"
    1 9/16"
    1.563"
    1 5/8"
    1 21/32"
    1 11/16"
    1 3/4"
    1.772"
    1 13/16"
    1.859"
    1 55/64"
    1 7/8"
    1 29/32"
    1 15/16"
    2"
    2 1/16"
    2 3/32"
    2 1/8"
    2 5/32"
    2 3/16"
    2.234"
    2 15/64"
    2 1/4"
    2 3/8"
    2 7/16"
    2 1/2"
    2 5/8"
    2 3/4"
    2 25/32"
    2 7/8"
    2.984"
    2 63/64"
    2.985"
    3"
    3 1/8"
    3 1/4"
    3 9/32"
    3 3/8"
    3 1/2"
    3 5/8"
    3.734"
    3 47/64"
    3 3/4"
    3 7/8"
    4"
    4 1/4"
    4 3/8"
    4 15/32"
    4.469"
    4 1/2"
    4 3/4"
    4 7/8"
    5"
    5 1/4"
    5 1/2"
    5 3/4"
    6"
    6 1/2"
    6 3/4"
    6 7/8"
    7"
    7 1/2"
    8"
    8 3/8"
    8 1/2"
    9"
    9 1/2"
    10"
    11"
    12"
    13"
    14"
    16"
    18"
    20"
    24"
    1mm
    1.05mm
    1.1mm
    1.15mm
    1.2mm
    1.25mm
    1.3mm
    1.35mm
    1.4mm
    1.45mm
    1.5mm
    1.55mm
    1.6mm
    1.65mm
    1.7mm
    1.75mm
    1.8mm
    1.85mm
    1.9mm
    1.95mm
    2mm
    2.05mm
    2.1mm
    2.15mm
    2.2mm
    2.25mm
    2.3mm
    2.35mm
    2.4mm
    2.45mm
    2.5mm
    2.55mm
    2.6mm
    2.65mm
    2.7mm
    2.75mm
    2.8mm
    2.85mm
    2.9mm
    2.95mm
    3mm
    3.05mm
    3.1mm
    3.15mm
    3.2mm
    3.25mm
    3.3mm
    3.35mm
    3.4mm
    3.45mm
    3.5mm
    3.55mm
    3.6mm
    3.65mm
    3.7mm
    3.75mm
    3.8mm
    3.85mm
    3.9mm
    3.95mm
    4mm
    4.05mm
    4.1mm
    4.15mm
    4.2mm
    4.25mm
    4.3mm
    4.35mm
    4.4mm
    4.45mm
    4.5mm
    4.55mm
    4.6mm
    4.65mm
    4.7mm
    4.75mm
    4.8mm
    4.85mm
    4.9mm
    4.95mm
    5mm
    5.05mm
    5.1mm
    5.15mm
    5.2mm
    5.25mm
    5.3mm
    5.35mm
    5.4mm
    5.45mm
    5.5mm
    5.55mm
    5.6mm
    5.65mm
    5.7mm
    5.75mm
    5.8mm
    5.85mm
    5.9mm
    5.95mm
    6mm
    6.05mm
    6.1mm
    6.15mm
    6.2mm
    6.25mm
    6.3mm
    6.4mm
    6.5mm
    6.6mm
    6.7mm
    6.8mm
    6.9mm
    7mm
    7.1mm
    7.2mm
    7.3mm
    7.4mm
    7.5mm
    7.6mm
    7.7mm
    7.8mm
    7.9mm
    8mm
    8.1mm
    8.2mm
    8.3mm
    8.4mm
    8.5mm
    8.6mm
    8.7mm
    8.8mm
    8.9mm
    9mm
    9.1mm
    9.2mm
    9.3mm
    9.4mm
    9.5mm
    9.6mm
    9.7mm
    9.8mm
    9.9mm
    10mm
    10.1mm
    10.2mm
    10.3mm
    10.4mm
    10.5mm
    10.6mm
    10.7mm
    10.8mm
    10.9mm
    11mm
    11.1mm
    11.2mm
    11.3mm
    11.4mm
    11.5mm
    11.6mm
    11.7mm
    11.8mm
    11.9mm
    12mm
    12.1mm
    12.2mm
    12.3mm
    12.4mm
    12.5mm
    12.6mm
    12.7mm
    13mm
    14mm
    15mm
    16mm
    17mm
    18mm
    18.2 mm
    19mm
    20mm
    21mm
    22mm
    23 mm
    24mm
    25mm
    26mm
    27mm
    28 mm
    30mm
    31 mm
    32 mm
    34 mm
    35mm
    36mm
    37.4 mm
    38 mm
    40mm
    43 mm
    45mm
    50mm
    52 mm
    60 mm
    63 mm
    65mm
    70mm
    80mm
    Length
    Length
    3/4"
    Fabrication
    Fabrication
    Annealed
    Tempered
    Maximum Temperature
    Maximum Temperature
    Less than 1,000° F
    Material
    Material
    Glass
    Shape
    Shape
    Rod and Disc
    Color
    Color
    Clear
    Maximum Pressure
    Maximum Pressure
    35 psi
    105 psi
    Density
    Density
    0.08 lbs./cu. in.
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    Edge Fabrication
    Edge Fabrication
    Ground
    Hardness
    Hardness
    Knoop 418 KHN100
    Modulus of Elasticity
    Modulus of Elasticity
    63 KN/mm2
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Refractive Index
    Refractive Index
    1.47
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    Specifications Met
    Specifications Met
    MIL-G-2860
    MIL-G-47033
    Thermal Conductivity
    Thermal Conductivity
    1.2 Btu/hr. × in./sq. ft./°F @
    212° F
    Clarity
    Clarity
    Clear
    Minimum Temperature
    Minimum Temperature
    Not Rated
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