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Immersion Type Electrical Heating Element

NSN: 4540-00-032-1780 | Model: 139838

An electrical device in the form of a resistor consisting of a resistance wire, an insulating material, and a sheath. It is designed to transform electrical current into heat while immersed in a liquid to be heated or in contact with materials to be melted. It may include an automatic control to regulate the amount of heat generated.

NSN Properties and Flags
NATO Stock Number
4540-00-032-1780
DEMIL
NO
Mounting Method Style
Screw plug or bushing type mounting facility
Body Style
Tubular, screw type
Terminal Quantity
4
Overall Length
29.812 inches
Effective Heating Length
24.875 inches
Element Radiation Specificationtrum
Noninfrared
Element Connection Style
Terminal screw
Terminal Box Environmental Protection
Standard
Mounting Facility Length
1.000 inches
Heat Quantity
1
Watt Density Rating
23.0 per square inch single voltage
Length
24.875 inches
Maximum Wattage Rating In Watts
3000.0 single voltage
Element Quantity
2
Thread Size
0.164 inches screw
Thread Quantity
32.0 per inch screw
Voltage In Volts And Current Type
120.0 ac single voltage
Phase
Single single voltage
Frequency In Hertz
60.0
Material
Steel sheath
Thread Series Designator
Unc screw

Pricing and Availability

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NSN 4540-00-032-1780 Datasheet

Supply Class (FSC):
Waste Disposal Equipment
Cross Reference:
  • 139838
  • MTO-230A-120V
  • MT0230
Cage Codes:
  • Chromalox, Inc. (CAGE 65586)
Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    026040 - Elements immersion heating

  • WCC:

    658 - Electrical appliances, small

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    P - 77.5

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9---n
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $2,263.22 to $3,772.04..
Does NSN 4540-00-032-1780 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, Greece, and Turkey
What is the NIIN of NSN 4540-00-032-1780?
000321780 or 00-032-1780
Does NSN 4540-00-032-1780 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4540-00-032-1780?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963