PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40479-3Heating Element,electrical,nonim

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-264-9391 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-264-9391 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-264-9391. Primary manufacturer part number: 40479-3.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Body Style: COIL, PLAIN
  • Heat Quantity: 3
  • Terminal Quantity: 2
  • Voltage in Volts and Current Type: 240.0 AC FIRST VOLTAGE
  • Voltage in Volts and Current Type: 208.0 AC SECOND VOLTAGE
  • Maximum Wattage Rating in Watts: 2600.0 SINGLE VOLTAGE
  • Element Radiation Spectrum: NONINFRARED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-264-9391, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4520-01-264-9391
Primary Part Number40479-3
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Body StyleCOIL, PLAIN
Heat Quantity3
Terminal Quantity2
Voltage in Volts and Current Type240.0 AC FIRST VOLTAGE
Voltage in Volts and Current Type208.0 AC SECOND VOLTAGE
Maximum Wattage Rating in Watts2600.0 SINGLE VOLTAGE
Element Radiation SpectrumNONINFRARED
Element Connection StyleEYELET
Outside Diameter8.000 INCHES NOMINAL IN
Element Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-240-6092 INTERCHANGEABLE
Punch,starter
5331-00-399-803925637 INTERCHANGEABLE
O-Ring
Jetstream of Houston, Llp Dba Jetstream of Houston Llp
5365-00-834-5580ER121 INTERCHANGEABLE
Ring,adjusting,roll
Skf Usa Inc.
2915-01-053-4456404793 INTERCHANGEABLE
Lever
Woodward, Inc. Div Fuel Systems and Controls
5365-01-269-1707 INTERCHANGEABLE
Spacer,ring
Cross-Reference Index
Part NumberManufacturer
40479-3 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
MP26MA Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
25637 PRIMARY Alter Harry Co the Div of T E C (USA)
Related Parts
5120-00-240-6092INTERCHANGEABLE
PUNCH,STARTER
5331-00-399-8039INTERCHANGEABLE
O-RING
25637
5365-00-834-5580INTERCHANGEABLE
RING,ADJUSTING,ROLL
ER121
2915-01-053-4456INTERCHANGEABLE
LEVER
404793
5365-01-269-1707INTERCHANGEABLE
SPACER,RING

Frequently Asked Questions

What is NSN 4520-01-264-9391?

NSN 4520-01-264-9391 is a Heating Element,electrical,nonim, 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 4520-01-264-9391?

NSN 4520-01-264-9391 has 3 cross-referenced part numbers: 40479-3 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), MP26MA (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 25637 (Alter Harry Co the Div of T E C).

What NSN replaces 4520-01-264-9391?

There are 5 known substitutes for 4520-01-264-9391: 5120-00-240-6092, 5331-00-399-8039, 5365-00-834-5580 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40479-3?

Key specifications for 40479-3: Body Style: COIL, PLAIN; Heat Quantity: 3; Terminal Quantity: 2; Voltage in Volts and Current Type: 240.0 AC FIRST VOLTAGE. 10 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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