Features
type 517-642 grade a mil-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
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Eccentric Construction:
Not provided
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Optical Element Quantity:
3
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Material:
Glass, optical, mil-g-174, grade a, type 517-642
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Fsc Application Data:
Night vision equipment, emitted and reflected radiation
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Federal Supply Class (fsc):
Night vision equipment, emitted and reflected radiation
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National Stock Number (nsn):
5855-01-165-2164