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		                        | National Stock Number:
 6640-01-460-3018
 
 Federal Supply Class:
 6640
 
 National Item Identification Number:
 014603018
 
 Description:
 FILTER UNIT,MICROPOROUS
 
 Detail:
 AN ITEM DESIGNED TO HOLD A DISK, FILTERING, MICROPOROUS SO THAT WHEN AIR, GASSES OR FLUIDS PASS THROUGH, CONTAMINANTS ARE LEFT ON THE SURFACE OF THE FILTERING DISK.
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 Manufacturer Information:
 
 | 696607 | 55799 | MINE SAFETY APPLIANCES COMPANY | 
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