PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F-2-4Heating Element,electrical,nonim

Russells Technical Products Inc · NSN 4520-01-391-3309 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-391-3309 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-391-3309. Primary manufacturer part number: F-2-4.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Heat Quantity: 1
  • Thread Quantity: 18 PER INCH MOUNTING FACILITY
  • Nominal Thread Size: 0.750 INCHES STUD IN
  • Terminal Length: 2.000 INCHES NOMINAL IN
  • Length: 13.000 INCHES NOMINAL IN
  • Thread Series Designator: UN STUD
  • Phase: SINGLE FIRST VOLTAGE
Applications
  • Applications requiring Nickel Alloy Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-391-3309, 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 Russells Technical Products Inc. Government technical data includes 24 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-391-3309
Primary Part NumberF-2-4
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerRussells Technical Products Inc
StatusACTIVE
Heat Quantity1
Thread Quantity18 PER INCH MOUNTING FACILITY
Nominal Thread Size0.750 INCHES STUD IN
Terminal Length2.000 INCHES NOMINAL IN
Length13.000 INCHES NOMINAL IN
Thread Series DesignatorUN STUD
PhaseSINGLE FIRST VOLTAGE
Supplementary FeaturesCALORITECH
Thread Series DesignatorNPT MOUNTING FACILITY
Frequency in Hertz60.0
PhaseSINGLE SINGLE VOLTAGE
MaterialNICKEL ALLOY SHEATH
Maximum Wattage Rating in Watts2000.0 SINGLE VOLTAGE
Mounting Method StyleAXIAL STUD TYPE MOUNTING FACILITY
Voltage in Volts and Current Type480.0 AC SINGLE VOLTAGE
Terminal Quantity2
Mounting Facility Length0.750 INCHES NOMINAL IN
Nominal Thread Size0.625 INCHES MOUNTING FACILITY IN
Body StyleTUBULAR, THREADED TERMINALS
Thread Quantity32 PER INCH STUD
Element Radiation SpectrumNONINFRARED
Element Quantity1
Element Connection StyleSTUD TYPE
Effective Heating Length11.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2940-00-072-0364C12233-7 INTERCHANGEABLE
Filter Element,intake Air Cleane
Farr Co
3110-00-156-1757F24 INTERCHANGEABLE
Bearing,ball,thrust
Abc Acquisition Company Dba Aetna Bearing Company
5305-00-576-5417MS35307-360 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5940-00-722-6802F2-4 INTERCHANGEABLE
Spacer Post
Roller Bearing Co of America, Inc Div Pic Design
8465-01-345-7899F24 INTERCHANGEABLE
Sling,bag and Case Carrying
Fountainhead Group Inc Div the Fountainhead Group, Inc.
5340-01-723-4136F24 INTERCHANGEABLE
Key,lock
Hon Company Llc, the Div the Hon Company Llc
Cross-Reference Index
Part NumberManufacturer
F-2-4 PRIMARY Russells Technical Products Inc (USA)
IXI-93-WJ-1623-02 Russells Technical Products Inc (USA)
Related Parts
2940-00-072-0364INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
C12233-7
3110-00-156-1757INTERCHANGEABLE
BEARING,BALL,THRUST
F24
5305-00-576-5417INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS35307-360
5940-00-722-6802INTERCHANGEABLE
SPACER POST
F2-4
8465-01-345-7899INTERCHANGEABLE
SLING,BAG AND CASE CARRYING
F24
5340-01-723-4136INTERCHANGEABLE
KEY,LOCK
F24

Frequently Asked Questions

What is NSN 4520-01-391-3309?

NSN 4520-01-391-3309 is a Heating Element,electrical,nonim, manufactured by Russells Technical Products Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-391-3309?

NSN 4520-01-391-3309 has 2 cross-referenced part numbers: F-2-4 (Russells Technical Products Inc), IXI-93-WJ-1623-02 (Russells Technical Products Inc).

What NSN replaces 4520-01-391-3309?

There are 6 known substitutes for 4520-01-391-3309: 2940-00-072-0364, 3110-00-156-1757, 5305-00-576-5417 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F-2-4?

Key specifications for F-2-4: Heat Quantity: 1; Overall Length: 15.125 INCHES NOMINAL IN; Thread Quantity: 18 PER INCH MOUNTING FACILITY; Nominal Thread Size: 0.750 INCHES STUD IN. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com