National Item Identification Number

01-134-3502
011343502
4520-01-134-3502
4520011343502

National Stock Number

Item Name

HEATER,DUCT TYPE,STATIONARY

Federal Supply Class

4520

Description

A device capable of producing heat from gas, liquid fuel, or an electrical heating element designed for permanent installation in sheet metal ducts of a forced air circulating system. It consists of (1) a finned, steel burner tube, a combustion air blower, a control panel, and a constant level fuel supply system or (2) a device having a heating element which when connected to an electrical source, directly imparts heat. It may be provided with a flanged outer casing to facilitate mounting 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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17032

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VALAD ELECTRIC HEATING CORP
160 WILDEY ST
TARRYTOWN
NY
10591
914-631-4927

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D9182

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74924

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INDUSTRIAL ENGINEERING & EQUIPMENT
CO INC
425 HANLEY INDUSTRIAL CT
SAINT LOUIS
MO
63144
314-644-4300

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D9182

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65586

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CHROMALOX INC.
DBA CHROMALOX DIV CHROMALOX INC
103 GAMMA DR EXTENSION
PITTSBURGH
PA
15238
412-967-3914

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17032

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VALAD ELECTRIC HEATING CORP
160 WILDEY ST
TARRYTOWN
NY
10591
914-631-4927

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Reference Numbers (Part Numbers)

EH21M
MIL-H-22594
MIL-H-22594 21E H TYP M
MILH22594 21EH TYPEM
TFZ-21M
VDH-21M
106-056816-005
83-1107

Required Categories

HEAT DELIVERY RATE
CURRENT TYPE
VOLTAGE IN VOLTS
FREQUENCY IN HERTZ
PHASE
C

Required Description

4299.1 BRITISH THERMAL UNIT
AC
115.0
60.0
SINGLE
11.0
ELECTRIC NONIMMERSIO