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Duct Type Ventilation Heater NSN 4520-01-281-0903

Item 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.

NSN 4520-01-281-0903 NSN: 4520-01-281-0903

Features and Characteristics

Mounting Type
Ventilation duct
Heat Medium Type
Steam
Maximum Pressure Limit
350.0 pounds per square inch gage
Heat Outlet Quantity
1
Heat Delivery Direction
Horizontal
Heat Discharge Outlet Type
Stationary
Width
22.500 inches
Depth
3.500 inches
Heating Element Type
Steam coil
Inclosure Material
Stainless steel and copper alloy
Height
37.500 inches
FSC
4520 Space And Water Heating Equipment
NIIN
012810903
NSN
4520012810903

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1D23-19.5-5604F-4.7-H-B
Cage Code:
38450
Status:
A
MSDS:
Part Number:
ID23-19.5-5604F
Cage Code:
38450
Status:
A
MSDS:
Part Number:
1D23-19.5-5604F
Cage Code:
38450
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7322900000
  • NAICS: 333414
  • SITC: 81215
  • Description: Air heaters and hot air distributors, not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel
  • End Use (Code 41030):
    Household appliances

Q & A

Frequently asked questions for NSN 4520-01-281-0903
What are the manufacturers of nsn 4520012810903?
Does this nsn 4520012810903 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4520012810903
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.
Does nsn 4520012810903 contain any precious metals?
No precious metal content.
Does nsn 4520012810903 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4520012810903?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
07531
FIIG:
A01300
App. Key:
J
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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