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National Stock Number:
1240-00-069-9363
Federal Supply Class:
1240
National Item Identification Number:
000699363
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:
| 8626291 | 17578 | STERLING PRECISIONS OPTICS INC | | 8626291 | 19200 | US ARMY ARDEC RDECOM | | 8626291 | 4UJ05 | OPTICAL SECURITY LLC |
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Techincal Specification:
| BEVEL ANGLE IN DEG | 45.000 NOMINAL | | BEVEL DEPTH | 0.076 INCHES NOMINAL | | FSC APPLICATION DATA | TELESCOPE,PANORAMIC | | LENGTH | 1.920 INCHES MINIMUM AND 1.930 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451, TYPE 1, QUALITY Q1 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED | | MATERIAL | GLASS LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | NOT PROVIDED | | POLISHED SURFACE | BOTH | | REFLECTION REDUCING SURFACE | BOTH | | SPECIAL FEATURES | ROUNDED CORNERS WITH A 0.500 IN. RADIUS. BEVELED EDGES ON BACK SURFACE 0.030 IN. BY 45 DEG. | | THICKNESS | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM | | WIDTH | 1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM |
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