PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TM6305E3Heating Element,electrical,immer

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4540-01-179-4030 · FSC 4540 · No Item Name Available
Verified by PartsTable
NSN 4540-01-179-4030 — this item is cataloged by the U.S. Government under National Stock Number 4540-01-179-4030. Primary manufacturer part number: TM6305E3.
Features
  • Heating Element,electrical,immer — FSC 4540
  • Bolt Circle Diameter: 8.500 INCHES NOMINAL IN
  • Conduit Opening Size: 1.000 INCHES NOMINAL IN
  • Length: 40.000 INCHES NOMINAL IN
  • Element Quantity: 6
  • Watt Density Rating: 45.0 PER SQUARE INCH SINGLE VOLTAGE
  • Voltage in Volts and Current Type: 460.0 AC SINGLE VOLTAGE
  • Material: COPPER SHEATH
Applications
  • Applications requiring Copper Sheath construction
General Description

The Heating Element,electrical,immer, cataloged under National Stock Number 4540-01-179-4030, is classified within Federal Supply Class 4540 (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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4540-01-179-4030
Primary Part NumberTM6305E3
Item NameHeating Element,electrical,immer
FSC / FSG4540 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Bolt Circle Diameter8.500 INCHES NOMINAL IN
Conduit Opening Size1.000 INCHES NOMINAL IN
Length40.000 INCHES NOMINAL IN
Element Quantity6
Watt Density Rating45.0 PER SQUARE INCH SINGLE VOLTAGE
Voltage in Volts and Current Type460.0 AC SINGLE VOLTAGE
MaterialCOPPER SHEATH
PhaseTHREE SINGLE VOLTAGE
Maximum Wattage Rating in Watts30000.0 SINGLE VOLTAGE
Hole or Slot Quantity8
Terminal Length1.000 INCHES NOMINAL IN
Mounting Method StyleFLANGE TYPE MOUNTING FACILITY
Frequency in Hertz60.0
Flange Thickness0.938 INCHES NOMINAL IN
Element Radiation SpectrumNONINFRARED
Body StyleFLANGE TYPE
Hole Diameter0.875 INCHES NOMINAL IN
Heat Quantity1
Flange Diameter10.000 INCHES NOMINAL IN
Terminal Quantity12
Element Connection StyleSTUD TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5360-00-052-5739181323 INTERCHANGEABLE
Spring,helical,extension
Lucent Technologies Inc Corporate Headquarters
6210-00-160-10231813-23XLW3 INTERCHANGEABLE
Filter,indicator Light
Apm Hexseal Corp
3110-00-293-8997 INTERCHANGEABLE
Cup,tapered Roller Bearing
3020-01-262-3337181323 INTERCHANGEABLE
Gear,helical
Doall Baltimore Company
2910-01-625-5107181323 INTERCHANGEABLE
Filter,fluid
Target Corp
Cross-Reference Index
Part NumberManufacturer
181323 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
155-146614-020 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
TM6305E3 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
XWF-30-460-40C The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
Related Parts
5360-00-052-5739INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
181323
6210-00-160-1023INTERCHANGEABLE
FILTER,INDICATOR LIGHT
1813-23XLW3
3110-00-293-8997INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3020-01-262-3337INTERCHANGEABLE
GEAR,HELICAL
181323
2910-01-625-5107INTERCHANGEABLE
FILTER,FLUID
181323

Frequently Asked Questions

What is NSN 4540-01-179-4030?

NSN 4540-01-179-4030 is a Heating Element,electrical,immer, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4540 (No Item Name Available). Status: active.

What are the part numbers for NSN 4540-01-179-4030?

NSN 4540-01-179-4030 has 4 cross-referenced part numbers: 181323 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 155-146614-020 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), TM6305E3 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), XWF-30-460-40C (The Electric Heater Co Dba Hubbell Electric Heater Co.).

What NSN replaces 4540-01-179-4030?

There are 5 known substitutes for 4540-01-179-4030: 5360-00-052-5739, 6210-00-160-1023, 3110-00-293-8997 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TM6305E3?

Key specifications for TM6305E3: Bolt Circle Diameter: 8.500 INCHES NOMINAL IN; Conduit Opening Size: 1.000 INCHES NOMINAL IN; Length: 40.000 INCHES NOMINAL IN; Element Quantity: 6. 22 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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