Model: EH31-M

Stationary Duct Type Heater

Properties:

Mounting Type
Ventilation duct
Heat Medium Type
Air
Width
51.000 inches
Current Type
Ac
Depth
8.000 inches
Operating Control Type
Any acceptable
Current Rating In Amps
77.0
Heating Element Type
Electric nonimmersion
Inclosure Material
Steel
Heat Delivery Rate
115667.0 british thermal unit
Voltage In Volts
440.0
Phase
Three
Frequency In Hertz
60.0
Height
15.125 inches
Surface Treatment
Zinc
Specification Data
81349-mil-h-22594 government specification
Nondefinitive Specification/std Data
L type and eh size
NSN
4520-01-259-5766
Part Number
EH31-M
Description
Heater,duct Type,stationary
CAGE
17032

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.

Part EH31-M NSN 4520-01-259-5766

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
17014
FIIG:
A01300
Concept No.:
1
App. Key:
E
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
026500
UFC:
12660
LTL:
70.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7322900000
  • SITC: 81215
  • End Use: Household appliances
  • NAICS: 333414
  • USDA: 1

Freight Class: Air heaters and hot air distributors, not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel

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