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National Stock Number: 1240-01-454-9819
Federal Supply Class: 1240
National Item Identification Number: 014549819
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:
7576874-002 | 13160 | GENERAL DYNAMICS LAND SYSTEMS INC. | 7576874-002 | 7W356 | GENERAL DYNAMICS LAND SYSTEMS INC. |
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Techincal Specification:
LENGTH | 5.190 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C, TYPE 517-645 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED | MATERIAL | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED | PART NAME ASSIGNED BY CONTROLLING AGENCY | WINDOW FRONT,DAYLIGHT | POLISHED PERIPHERY | PROVIDED | WIDTH | 4.840 INCHES NOMINAL | THICKNESS | 0.300 INCHES NOMINAL |
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