Features
grade b type 517-645 jan-g-174 optical glass material.
Roof-angle.
Includes quality control certificate of conformance.
Specifications
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Light Deviation:
90 degrees porm 30 min
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Material:
Glass, optical, jan-g-174, type 517-645, grade b
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Style Designator:
Roof-angle
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Fsc Application Data:
Sight periscope, m28, integrated with fire control
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-535-6923
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Special Features:
Prism bonded to metal mounting