Jason Kuhn 12/3/2012 Specifying Scratch/Dig of an Optical Surface MIL-0-13830 The designation of surface will be given in the fo
Jason Kuhn 12/12/12. Two numbers are always specified i.e The first number specifies the scratch number, which is an indication of its severity. - ppt download
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SavvyInspector Series - Scratch/Dig Measurement for Flat Optics MIL-PRF-13830B
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Scratch and Dig Paddle (or similar tool)
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