National Item Identification Number

01-226-8918
012268918
4520-01-226-8918
4520012268918

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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58823

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WELLMAN THERMAL SYSTEMS CORP
1 PROGRESS RD
SHELBYVILLE
IN
46176
317-392-5372

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04236

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LOCKHEED MARTIN CORPORATION
DBA LOCKHEED MARTIN SPACE SYSTEMS
12257 STATE HIGHWAY 121 LOC A
LITTLETON
CO
80125
303-555-5555

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Reference Numbers (Part Numbers)

DHA17BL6D111
ST64D22-1

Required Categories

Required Description