Features
Glass optical material.
Includes quality control certificate of conformance.
Specifications
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Width:
1.301 inches
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Length:
Between 5.594 inches and 5.656 inches
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End Application:
1520-00-169-7137 helicopter, observation
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Axial Thickness:
Between 0.145 inches and 0.233 inches
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Equivalent Focal Length:
4.813 inches or 4.875 inches
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Single Lens Style:
Plano-convex
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Element Left Surface Radius:
3.500 inches
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Element Right Surface Radius:
3.688 inches
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Material:
Glass, optical
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Fsc Application Data:
Test set, elect. Equip.
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Federal Supply Class (fsc):
Night vision equipment, emitted and reflected radiation
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National Stock Number (nsn):
5855-01-358-1939