Features
4.770 inches nominal outside diameter, plastic material.
Includes quality control certificate of conformance.
Specifications
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Aperture Diameter:
4.570 inches
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End Application:
Night vision sight, infrared an/tas-6a
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Internal Flange Thickness:
0.200 inches
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Knurled Periphery:
Not provided
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Material:
Plastic
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Supplementary Features:
Allowable draft angle 2 degrees
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Fsc Application Data:
Night vision equipment, emitted andreflected radiation
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Federal Supply Class (fsc):
Night vision equipment, emitted and reflected radiation
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National Stock Number (nsn):
5855-01-067-8841
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Special Features:
Surface roughnes to be 125 micro inches or better