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		                        | National Stock Number:
 1660-01-666-9310
 
 Federal Supply Class:
 1660
 
 National Item Identification Number:
 016669310
 
 Description:
 VALVE ASSEMBLY,ENVIRONMENTAL CON
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 Manufacturer Information:
 
 | 6009 | 687A9 | FALCON AERO MANUFACTURING, LLC |  | 6009-003 | 687A9 | FALCON AERO MANUFACTURING, LLC |  | 7-611A21526-001 | 8V613 | THE BOEING COMPANY |  | 7-611A21526-003 | 8V613 | THE BOEING COMPANY | 
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 Techincal Specification:
 
 | III PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE,MODULATING,CREWSTATION HEAT |  | PROPRIETARY CHARACTERISTICS | PACS |  | OVERALL HEIGHT | 5.33 INCHES NOMINAL |  | OVERALL LENGTH | 4.69 INCHES NOMINAL |  | OVERALL WIDTH | 3.00 INCHES NOMINAL |  | SPECIAL FEATURES | NHA:HELECOPTER ATTACK, 17 TO 28 PSIG NOM, 83 PSIG PROOF, 138 PSIG BURST, MINUS 40DEGREES F TO PLUSS 160 DEGREES F OPERATING TEMPS | 
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