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		                        | National Stock Number:
 4330-00-269-0473
 
 Federal Supply Class:
 4330
 
 National Item Identification Number:
 002690473
 
 Description:
 FILTER,GLASS,HEAT ABSORBING
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 Manufacturer Information:
 
 | 680-78-13 | 07055 | BESELER, CHARLES CO INC |  | 680-78-13 | 92047 | PROJECTION OPTICS INC | 
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 Techincal Specification:
 
 | GENERAL CHARACTERISTICS ITEM DESCRIPTION | 4.500 IN. DIAMETER | 
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