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National Stock Number:
6650-01-003-6467
Federal Supply Class:
6650
National Item Identification Number:
010036467
Description:
WINDOW,OPTICAL INSTRUMENT
Detail:
A COLOR FREE ITEM OF TRANSPARENT OR TRANSLUCENT MATERIAL, USUALLY OPTICAL GLASS, HAVING SPECIFIC LIGHT DISPERSIVE AND REFRACTIVE PROPERTIES. THIS ITEM MUST HAVE TWO PLANE-PARALLEL SURFACES AND IS DESIGNED FOR USE IN AN OPTICAL INSTRUMENT TO PROVIDE A BARRIER TO FOREIGN MATTER AND/OR PERMIT LIGHT TRANSMISSION IN OR TO THE OPTICAL SYSTEM.
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Manufacturer Information:
| 420954-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
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Techincal Specification:
| LENGTH | 2.953 INCHES MINIMUM AND 2.969 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE A MIL SPEC 1ST MATERIAL RESPONSE OR 1723,CORNING GLASS WORKS MFR REF 2ND MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL AND GLASS | | POLISHED PERIPHERY | NOT PROVIDED | | POLISHED SURFACE | BOTH | | REFLECTION REDUCING SURFACE | BOTH | | SPECIAL FEATURES | FOUR CORNERS HAVE 0.062 IN. RADIUS | | WIDTH | 0.906 INCHES MINIMUM AND 0.922 INCHES MAXIMUM | | THICKNESS | 0.109 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
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