National Item Identification Number

01-533-5507
015335507
4520-01-533-5507
4520015335507

National Stock Number

Item Name

HEATER,VENTILATION,DUCT TYPE

Federal Supply Class

4520

Description

A heat transferring unit utilizing a separate source of steam or hot water as the heat transfer medium. It consists of finned parallel tubes joined together by a header or headers and is designed for installation in the ducts of a forced air circulating system. It may be provided with a flanged outer casing to facilitate mounting of the unit in planned or existing duct work. Circulation of the heated air is achieved by use of a blower or fan not integral with the heating unit.

Commercial and Government Entity Code (Supplier Data)

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43689

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Reference Numbers (Part Numbers)

MIL-PRF-22594B
M22594-27M
501-7526508ITEM18

Required Categories

HEAT DELIVERY RATE
HEATING ELEMENT TYPE
HEAT MEDIUM TYPE
MOUNTING TYPE
HEIGH

Required Description

3412.0 BRITISH THERMAL UNIT
ELECTRIC NONIMMERSION
AIR
VENTILATION DUCT
22.00