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National Stock Number:
4520-01-156-4884
Federal Supply Class:
4520
National Item Identification Number:
011564884
Description:
DRAFT CONTROL,FLUE,AUTOMATIC
Detail:
AN ITEM CONSISTING OF A METAL FRAME IN WHICH IS INSERTED A FLAT METAL PLATE MOUNTED ON A SHAFT. THE PLATE, FLUCTUATING AUTOMATICALLY ACCORDING TO CHANGES IN ATMOSPHERIC PRESSURE, CONTROLS THE STACK OR FLUE DRAFT AND MAINTAINS AN ABSOLUTE CONSTANCY OF DRAFT REGARDLESS OF VARYING WEATHER CONDITIONS.
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Manufacturer Information:
| M-8 | 58893 | PETTIBONE INC SPARTAN TOOL DIV |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,GALVANIZED;9.750 IN.LG;8.625 IN.OD |
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