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		                        | National Stock Number:
 4820-01-389-6663
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 013896663
 
 Description:
 VALVE,BUTTERFLY
 
 Detail:
 A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.
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 Manufacturer Information:
 
 | 2508021 | 56349 | TRI-TEC MANUFACTURING, LLC |  | 2508021 | 98032 | TRI-TEC MANUFACTURING LLC |  | 2508021VM | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | 
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 Techincal Specification:
 
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |  | SPECIAL FEATURES | R8 W/WORM GEAR |  | VALVE OPERATION METHOD | MANUAL | 
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