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National Stock Number:
1240-01-614-0252
Federal Supply Class:
1240
National Item Identification Number:
016140252
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:
| 023-0043-000 | 1UMJ7 | LOCKHEED MARTIN GYROCAM SYSTEMS LLC |
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Techincal Specification:
| LENGTH | 3.830 INCHES NOMINAL | | III MATERIAL | GLASS, BOROSILICATE CROWN | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WINDOW,LASER RANGE | | POLISHED PERIPHERY | NOT PROVIDED | | PROPRIETARY CHARACTERISTICS | PACS | | SPECIAL FEATURES | ANTI-REFLECTIVE COATING TO BE APPLIED TO GIVE REFLECTIVITY UNDER 0.1% OVER A 1525-1545MM BAND,INCIDENT ANGLE OF 0% +/-5%,INCIDENT MATERIAL AIR AND POLARIZATION S&P;COATINGS TO CONFORM TO MIL-C-48497A;COATING TO WITHSTAND LASER RADIATION OF 50MW/CM SQ.AT 1535NM;PULSE WIDTH 30NS;CLEAR AREA AND COATING TO BE 1.5MM IN FROM SUBSTRATE EDGE | | THICKNESS | 0.125 INCHES NOMINAL |
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