PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25623-3Heating Element,electrical,immer

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4410-00-107-1134 · FSC 4410 · No Item Name Available
Verified by PartsTable
NSN 4410-00-107-1134 — this item is cataloged by the U.S. Government under National Stock Number 4410-00-107-1134. Primary manufacturer part number: 25623-3.
Features
  • Heating Element,electrical,immer — FSC 4410
  • Body Style: FLANGE, TYPE
  • Mounting Method Style: FLANGE TYPE MOUNTING FACILITY
  • Nominal Thread Size: 0.164 INCHES SCREW IN
  • Element Quantity: 3
  • Terminal Quantity: 6
  • Heat Quantity: 1
  • Element Radiation Spectrum: NONINFRARED
Applications
  • Applications requiring Nickel and Chromium Sheath construction
General Description

The Heating Element,electrical,immer, cataloged under National Stock Number 4410-00-107-1134, is classified within Federal Supply Class 4410 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4410-00-107-1134
Primary Part Number25623-3
Item NameHeating Element,electrical,immer
FSC / FSG4410 / 44 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Body StyleFLANGE, TYPE
Mounting Method StyleFLANGE TYPE MOUNTING FACILITY
Nominal Thread Size0.164 INCHES SCREW IN
Element Quantity3
Terminal Quantity6
Heat Quantity1
Element Radiation SpectrumNONINFRARED
Flange Diameter7.500 INCHES NOMINAL IN
Element Connection StyleTERMINAL SCREW
Hole Diameter0.750 INCHES NOMINAL IN
Flange Thickness0.937 INCHES NOMINAL IN
Length18.250 INCHES NOMINAL IN
Hole or Slot Quantity4
MaterialNICKEL AND CHROMIUM SHEATH
Effective Heating Length14.250 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SCREW
Thread Quantity32.0 PER INCH SCREW
Maximum Wattage Rating in Watts3000.0 SINGLE VOLTAGE
Watt Density Rating23.0 PER SQUARE INCH SINGLE VOLTAGE
Conduit Opening Size1.000 INCHES NOMINAL IN
Voltage in Volts and Current Type240.0 DC SINGLE VOLTAGE
Bolt Circle Diameter6.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5315-00-010-3496103496 INTERCHANGEABLE
Pin,straight,headed
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
TMI303B Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
25623-3 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
5315-00-010-3496INTERCHANGEABLE
PIN,STRAIGHT,HEADED
103496

Frequently Asked Questions

What is NSN 4410-00-107-1134?

NSN 4410-00-107-1134 is a Heating Element,electrical,immer, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4410 (No Item Name Available). Status: active.

What are the part numbers for NSN 4410-00-107-1134?

NSN 4410-00-107-1134 has 2 cross-referenced part numbers: TMI303B (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 25623-3 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4410-00-107-1134?

There is 1 known substitute for 4410-00-107-1134: 5315-00-010-3496. Verify interchangeability with system specifications before substitution.

What are the specifications of 25623-3?

Key specifications for 25623-3: Body Style: FLANGE, TYPE; Mounting Method Style: FLANGE TYPE MOUNTING FACILITY; Nominal Thread Size: 0.164 INCHES SCREW IN; Element Quantity: 3. 23 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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