6625-01-068-2420 SCALE,CATHODE RAY TUBE Index 1240-01-068-2422 RING,RETAINING,OPTICAL ELEMENT

National Stock Number:
1240-01-068-2421

Federal Supply Class:
1240

National Item Identification Number:
010682421

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.


Manufacturer Information:
04808034228L3 TECHNOLOGIES, INC.
1226688019207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
957C04808034228L3 TECHNOLOGIES, INC.


Techincal Specification:
DIAMETER50.6 MILLIMETERS MINIMUM AND 51.0 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
MATERIALGLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED
POLISHED PERIPHERYNOT PROVIDED
THICKNESS5.8 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM


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