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National Stock Number:
9340-01-665-8762
Federal Supply Class:
9340
National Item Identification Number:
016658762
Description:
WINDOW,OBSERVATION
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Manufacturer Information:
| 4992002-1 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WINDOW- EYESAFE LASER | | III STYLE DESIGNATOR | CIRCULAR | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 3.019 INCHES MINIMUM AND 3.021 INCHES MAXIMUM | | OVERALL THICKNESS | 0.00015 INCHES NOMINAL | | SPECIAL FEATURES | FOR A TEST WAVELENGTH OF 0.6328 MICROMETERS, THE TRANSMITTED PLANE WAVEFRONT ERROR SHALL BE LESS THAN 1/5 WAVELENGTH PEAK-TO-VALLEY OVER THE FREE APERTURE; THE MATERIAL USED IN THE MANUFACTURE OF THIS OPTICAL PART SHALL NOT CONTAIN THORIUM. OTHER RADIOACTIVE MATERIAL, OR ANY COMBINATION OF NUCLEAR MATERIALS; CHAMFER .015 +- .010 FACE WIDTH, CHAMFER ANGLE 45 DEGREES +- 5 WITH A TAPPERED LENGTH OF .050 | | SPECIAL TEST FEATURES | FOR SURFACE A- ADHESION, AND HUMIDITY TESTS PER MIL-C-675, SALT FOG PER MIL-C-675 EXCEPT DURATION SHALL BE 120 HOURS RATHER THAN 24 HOURS; SEVERE ABRASION PER MIL-C-675; FOR SURFACE B- ADHESION, MODERATE ABRASION AND HUMIDITY TEST PER MIL-C-675 | | SURFACE FINISH | POLISHED |
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