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National Stock Number:
6650-01-087-0586
Federal Supply Class:
6650
National Item Identification Number:
010870586
Description:
PRISM,OPTICAL INSTRUMENT
Detail:
A TRANSPARENT ITEM WITH AT LEAST TWO POLISHED PLANE SURFACES INCLINED TOWARD EACH OTHER, DESIGNED FOR USE IN OPTICAL INSTRUMENTS TO REFLECT AND/OR REFRACT A BEAM OF LIGHT. IT MAY HAVE ONE OR MORE MIRRORED SURFACES FOR GREATER REFLECTION. INCLUDES OPTICAL WEDGES USED TO DIVERT PATHS OF LIGHT BY REFRACTION, BUT TO A LESSER DEGREE. SEE ALSO BEAM SPLITTER, OPTICAL INSTRUMENT.
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Manufacturer Information:
| 13047991 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13047991 | 74067 | KEUFFEL AND ESSER CO |
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Techincal Specification:
| COATING FEATURE | ALUMINUM WITH SILICON MONOXIDE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE A, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | SPECIAL FEATURES | CLEAR APERTURE 48X48;SURFACE QUALITY 80-50;POWER NOT TO EXCEED 1 WAVELENGTH |
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