PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SG-2457Heating Element,electrical,immer

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-264-9390 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-264-9390 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-264-9390. Primary manufacturer part number: SG-2457.
Features
  • Heating Element,electrical,immer — FSC 4520
  • Frequency in Hertz: 60.0
  • Thread Quantity: 11.500 PER INCH SCREW
  • Heat Quantity: 1
  • Element Radiation Spectrum: NONINFRARED
  • Length: 11.750 INCHES NOMINAL IN
  • Maximum Wattage Rating in Watts: 4500.0 SINGLE VOLTAGE
  • Voltage in Volts and Current Type: 240.0 AC SINGLE VOLTAGE
Applications
  • Applications requiring Copper Alloy Sheath construction
General Description

The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-264-9390, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4520-01-264-9390
Primary Part NumberSG-2457
Item NameHeating Element,electrical,immer
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusCANCELLED
Frequency in Hertz60.0
Thread Quantity11.500 PER INCH SCREW
Heat Quantity1
Element Radiation SpectrumNONINFRARED
Length11.750 INCHES NOMINAL IN
Maximum Wattage Rating in Watts4500.0 SINGLE VOLTAGE
Voltage in Volts and Current Type240.0 AC SINGLE VOLTAGE
MaterialCOPPER ALLOY SHEATH
Nominal Thread Size1.000 INCHES SCREW IN
Element Quantity1
PhaseSINGLE SINGLE VOLTAGE
Body StyleTUBULAR, SCREW TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3110-00-100-98301795925 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Chrysler Realty Company Llc Dba Daimler Chrysler
5975-00-285-034325878 INTERCHANGEABLE
Elbow,electrical Conduit
John Deer Consumer Products Inc
4730-01-101-7371218-5281 INTERCHANGEABLE
Elbow,tube to Boss
Cnh Industrial America Llc Dba Cnh America
4520-01-322-7547SGW2457X1 INTERCHANGEABLE
Heating Element,electrical,immer
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
5998-01-532-7290 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
41529-0 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
SG-2457 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
2E303 Grainger Div of W W Grainger Inc (USA)
2E482 Grainger Div of W W Grainger Inc (USA)
AH-2745 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
2E303 W.w. Grainger, Inc. Div Government Sales Division (USA)
25878 Alter Harry Co the Div of T E C (USA)
Related Parts
3110-00-100-9830INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1795925
5975-00-285-0343INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
25878
4730-01-101-7371INTERCHANGEABLE
ELBOW,TUBE TO BOSS
218-5281
4520-01-322-7547INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
SGW2457X1
5998-01-532-7290INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 4520-01-264-9390?

NSN 4520-01-264-9390 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: cancelled.

What are the part numbers for NSN 4520-01-264-9390?

NSN 4520-01-264-9390 has 7 cross-referenced part numbers: 41529-0 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), SG-2457 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 2E303 (Grainger Div of W W Grainger Inc), 2E482 (Grainger Div of W W Grainger Inc), AH-2745 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc) and 2 more.

What NSN replaces 4520-01-264-9390?

There are 5 known substitutes for 4520-01-264-9390: 3110-00-100-9830, 5975-00-285-0343, 4730-01-101-7371 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SG-2457?

Key specifications for SG-2457: Frequency in Hertz: 60.0; Thread Quantity: 11.500 PER INCH SCREW; Heat Quantity: 1; Element Radiation Spectrum: NONINFRARED. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4520-01-264-9390 still in active supply?

NSN 4520-01-264-9390 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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