Optical Instrument Windows - Page 4 of 9
210 part numbers
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not provided polished periphery
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metal and glass material
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glass material
26800169
NSN 6650-01-088-1274
Cross Reference:
9240-003-69
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4.000 inches diameter
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0.380 inches thickness
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glass material
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glass material
TN9539
NSN 6650-01-092-8435
Cross Reference:
TN6338
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5.200 inches diameter
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0.380 inches thickness
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not provided polished periphery
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glass material
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glass material
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between 0.496 inches and 0.498 inches width
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0.040 inches thickness
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between 0.496 inches and 0.498 inches length
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one reflection reducing surface
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not provided polished periphery
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between 0.496 inches and 0.498 inches width
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0.017 inches thickness
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between 0.496 inches and 0.498 inches length
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fine ground surface finish
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both polished surface
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0.017 inches thickness
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both polished surface
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both reflection reducing surface
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not provided polished periphery
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quartz crystal material
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between 0.015 inches and 0.019 inches thickness
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one reflection reducing surface
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not provided polished periphery
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form of right triangle, base 0.496/0.498 in. special features
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glass, optical or crown material
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between 6.065 inches and 6.080 inches diameter
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polished surface finish
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between 0.015 inches and 0.025 inches bevel depth
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both polished surface
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not provided polished periphery
012580
NSN 6650-01-095-4987
Cross Reference:
685B012580, 685C012580
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between 1.093 inches and 1.098 inches diameter
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between 0.071 inches and 0.087 inches thickness
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not provided polished periphery
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5.000 inches diameter
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0.624 inches thickness
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4935-01-108-0442 end application
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provided polished periphery
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selenium and zinc material
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0.700 inches diameter
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0.040 inches thickness
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plastic, methyl-methacrylate material
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plastic methyl methacrylate material
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2.120 inches diameter
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0.060 inches thickness
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glass material
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glass material
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4.630 inches diameter
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0.118 inches thickness
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polished surface finish
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both polished surface
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both reflection reducing surface
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2.250 inches width
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2.250 inches length
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any acceptable surface finish
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not provided polished periphery
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teletype and facsimile equipment fsc application data
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100.0 millimeters width
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6.3 millimeters thickness
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122.2 millimeters length
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not provided polished periphery
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glass, optical, mil-g-174, class 1, grade a material
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2.437 inches width
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0.125 inches thickness
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2.940 inches length
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both polished surface
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1.245 inches diameter
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0.090 inches thickness
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both polished surface
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not provided polished periphery
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glass, optical material
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0.300 inches width
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0.090 inches thickness
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0.660 inches length
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provided polished periphery
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0.403 inches diameter
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0.090 inches thickness
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provided polished periphery
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glass material
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glass material
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2.870 inches diameter
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0.125 inches thickness
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polished surface finish
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both polished surface
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not provided polished periphery
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provided polished periphery
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0.390 inches diameter
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0.180 inches thickness
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not provided polished periphery
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quartz material
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quartz material