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Duct Type Ventilation Heater NSN 4520-00-273-1070

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 4520-00-273-1070 NSN: 4520-00-273-1070

Features and Characteristics

Mounting Type
Ventilation duct
Heat Medium Type
Hot water or steam
Maximum Pressure Limit
Any acceptable
Heat Outlet Quantity
1
Heat Delivery Direction
Horizontal
Heat Discharge Outlet Type
Stationary
Heat Directing Device
Fixed louver
Width
9.187 inches
Depth
5.000 inches
Operating Control Type
Any acceptable
Heating Element Type
Hot water coil or steam coil
Heat Delivery Rate
Any acceptable
Special Features
Fins copper 36 per ft
Height
19.187 inches
Specification Data
81349-mil-c-16235c government specification
Nondefinitive Specification/std Data
1 type
FSC
4520 Space And Water Heating Equipment
NIIN
002731070
NSN
4520002731070

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S3802-66970S25L
Cage Code:
80064
Status:
A
MSDS:
Part Number:
MIL-C-16235C
Cage Code:
81349
Status:
A
MSDS:
Part Number:
S25L
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 4520-00-273-1070
What are the manufacturers of nsn 4520002731070?
Does this nsn 4520002731070 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4520002731070
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 4520002731070 contain any precious metals?
Precious metal content is unknown.
Does nsn 4520002731070 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4520002731070?
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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