National Stock Number:
4140-01-247-4966
Federal Supply Class:
4140
National Item Identification Number:
012474966
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.
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