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Immersion Type Electrical Heating Element

NSN: 4540-00-554-9450 | Model: SEF180

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
4540-00-554-9450
DEMIL
NO
Mounting Method Style
Slot or hole type mounting facility
Body Style
Strip, finned
Terminal Quantity
2
Width
2.000 inches
Overall Length
17.875 inches
Effective Heating Length
13.625 inches
Element Radiation Specificationtrum
Noninfrared
Element Connection Style
Stud type
Terminal Length
0.500 inches
Terminal Arrangement Style
Three at one end - for three heat
Mounting Facility Length
0.500 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
16.875 inches
Mounting Facility Width
0.313 inches
Hole Or Slot Quantity
2
Heat Quantity
1
Length
13.625 inches
Maximum Wattage Rating In Watts
1000.0 single voltage
Element Quantity
1
Thread Size
0.190 inches stud
Thread Quantity
32.0 per inch stud
Voltage In Volts And Current Type
240.0 ac single voltage
Phase
Not rated single voltage
Material
Steel sheath and chromium sheath
Thread Series Designator
Unf stud

Pricing and Availability

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NSN 4540-00-554-9450 Datasheet

Supply Class (FSC):
Waste Disposal Equipment
Cross Reference:
  • SEF180
  • BW4-1-41
  • AH4-1-4-1
Cage Codes:
  • Chromalox, Inc. (CAGE 65586)
  • Ellis & Watts International, Llc (CAGE 98437)
Replacements:
  • 4540-00-554-9450 replaces 4540-00-788-3744
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
    L
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Lp9---n
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $239.03 to $398.39..
Does NSN 4540-00-554-9450 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
What is the NIIN of NSN 4540-00-554-9450?
005549450 or 00-554-9450
Does NSN 4540-00-554-9450 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4540-00-554-9450?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963