PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

272330Heating Element,electrical,immer

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-044-3603 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-044-3603 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-044-3603. Primary manufacturer part number: 272330.
Features
  • Heating Element,electrical,immer — FSC 4520
  • Body Style: BOTTOM CLAMPING
  • Conduit Opening Size: 0.500 INCHES NOMINAL IN
  • Element Quantity: 1
  • Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE
  • Nominal Thread Size: 0.190 INCHES STUD IN
  • Length: 6.750 INCHES NOMINAL IN
  • Thread Series Designator: UNF STUD
Applications
  • Applications requiring Copper Sheath construction
General Description

The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-044-3603, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-044-3603
Primary Part Number272330
Item NameHeating Element,electrical,immer
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Body StyleBOTTOM CLAMPING
Conduit Opening Size0.500 INCHES NOMINAL IN
Element Quantity1
Voltage in Volts and Current Type120.0 AC SINGLE VOLTAGE
Nominal Thread Size0.190 INCHES STUD IN
Length6.750 INCHES NOMINAL IN
Thread Series DesignatorUNF STUD
Maximum Wattage Rating in Watts1500.0 SINGLE VOLTAGE
Watt Density Rating57.0 PER SQUARE INCH SINGLE VOLTAGE
MaterialCOPPER SHEATH
PhaseSINGLE SINGLE VOLTAGE
Thread Quantity32.0 PER INCH STUD
Frequency in Hertz60.0
Heat Quantity1
Heat Control TypeTHERMAL CUTOUT SWITCH
Element Radiation SpectrumNONINFRARED
Terminal Length0.500 INCHES NOMINAL IN
Element Connection StyleSTUD TYPE
Width4.250 INCHES NOMINAL IN
Terminal Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-01-069-9395 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
TTUH-15-120V Mc Kie J H Mfr Inc (USA)
TTUH15-120VDC Zf Industrieantriebe Witten Gmbh (DEU)
TTUH-15A-120V Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
TTUH-15-120V Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
272330 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
TTUH-15-120V PRIMARY Chromalox Inc (USA)
Related Parts
5950-01-069-9395INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 4520-01-044-3603?

NSN 4520-01-044-3603 is a Heating Element,electrical,immer, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-044-3603?

NSN 4520-01-044-3603 has 6 cross-referenced part numbers: TTUH-15-120V (Mc Kie J H Mfr Inc), TTUH15-120VDC (Zf Industrieantriebe Witten Gmbh), TTUH-15A-120V (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), TTUH-15-120V (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 272330 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc) and 1 more.

What NSN replaces 4520-01-044-3603?

There is 1 known substitute for 4520-01-044-3603: 5950-01-069-9395. Verify interchangeability with system specifications before substitution.

What are the specifications of 272330?

Key specifications for 272330: Body Style: BOTTOM CLAMPING; Conduit Opening Size: 0.500 INCHES NOMINAL IN; Element Quantity: 1; Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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