Model: 7639252
Diopter ScaleProperties:
A graduated scale, usually cylindrical in shape, attached to, or forming a part of, the focusing nut or knob of the eyepiece of an optical instrument. It is read in conjunction with a line or dart indicator to measure the change in refracting power of the eyepiece, in diopters, and introduces correction to compensate for the eyesight variation of the observer. It may have a knurled periphery and/or teeth on the inside diameter.
Part 7639252 NSN 1240-00-763-9252
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Freight Classification
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Schedule B and Export
- Schedule B: 9803200000
- SITC: 93100
- End Use: Military apparel and footwear
- NAICS: 990000
- USDA: 1
Freight Class: Military equipments not identified by kind
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