4820-01-473-6411 VALVE,CHECK Index 4820-01-473-6413 VALVE,BUTTERFLY

National Stock Number:
4140-01-473-6412

Federal Supply Class:
4140

National Item Identification Number:
014736412

Description:
BLOWER,AIR BARRIER

Detail:
A NONPOSITIVE DISPLACEMENT MECHANICAL DEVICE HAVING AN AXIAL OR CENTRIFUGAL FAN IMPELLER INCLOSED WITHIN A HOUSING WITH AN EXHAUST NOZZLE AND BAFFLES. IT IS DESIGNED TO MOVE AIR ACROSS AN OPEN ENTRANCE TO PROVIDE AN AIR BARRIER TO MINIMIZE HEAT LOSS OR GAIN AND REPEL FLYING INSECTS. IT MAY INCLUDE A MEANS OF HEATING THE EXHAUSTIBLE AIR.


Manufacturer Information:
2300081-3010WY55NATIONAL WEATHER SERVICE NEXRAD RADAR OPERATIONS CENTER
2500017-3010WY55NATIONAL WEATHER SERVICE NEXRAD RADAR OPERATIONS CENTER


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