https://sovietunionussr.com Thu, 16 Apr 2026 01:06:41 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://sovietunionussr.com/ussr-optical-flat-parallel-bottom-120mm-flatness-000012/ https://sovietunionussr.com/ussr-optical-flat-parallel-bottom-120mm-flatness-000012/#comments Wed, 10 Jun 2020 19:13:25 +0000 http://sovietunionussr.com/ussr-optical-flat-parallel-bottom-120mm-flatness-000012/




USSR Optical Flat Parallel Bottom 120mm Flatness 0.00012. Metrology & Measurement standard designed to inspect parallelism and flatness of slip gage blocks, measuring tools & other gauges by interference method. Comes with calibration certificate & manual (in Russian) in original fitted plastic case. Flatness of working surface 0.00012 mm. Local deviations from flatness of the working surface 0.00004 mm. Made in USSR – Lytkarino Optical Glass Factory. The item “USSR Optical Flat Parallel Bottom 120mm Flatness 0,00012″ is in sale since Wednesday, December 26, 2018. This item is in the category “Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Inspection & Measurement\Inspection Gages”. The seller is “young-freedom” and is located in Kovrov. This item can be shipped worldwide.

• MPN: Does Not Apply
• Brand: USSR

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Optical Flat Parallel Bottom 100mm (Flatness 0.00007mm – 0.0000028). Metrology & Measurement standard designed to inspect parallelism and flatness of slip gage blocks, measuring tools & other gauges by interference method. Comes with calibration certificate & manual (in Russian) in original fitted plastic case. Thickness 25 mm (0.98 inch). Flatness of working surface 0.00007 mm (0.0000028 inch). Local deviations from flatness of the working surface 0.00002 mm (0.00000079 inch). Made in USSR – Lytkarino Optical Glass Factory. The item “USSR Optical Flat Parallel Bottom 100mm (Flatness 0.07 / 0.02µm)” is in sale since Sunday, August 25, 2019. This item is in the category “Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Inspection & Measurement\Inspection Gages”. The seller is “young-freedom” and is located in Kovrov. This item can be shipped worldwide.

• MPN: Does Not Apply
• Brand: USSR

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