PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS-8-250WHeating Element,electrical,nonim

Hotwatt, Inc · NSN 4520-01-437-8781 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-437-8781 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-437-8781. Primary manufacturer part number: CS-8-250W.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Hole or Slot Quantity: 2
  • Heat Quantity: 1
  • Thread Quantity: 24 PER INCH STUD
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD
  • Maximum Wattage Rating in Watts: 250.0 SINGLE VOLTAGE
  • Material: STEEL CORROSION RESISTING SHEATH
  • Voltage in Volts and Current Type: 240.0 AC SINGLE VOLTAGE
Applications
  • Applications requiring Steel Corrosion Resisting Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-437-8781, 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 Hotwatt, Inc. Government technical data includes 26 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-437-8781
Primary Part NumberCS-8-250W
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerHotwatt, Inc
StatusACTIVE
Hole or Slot Quantity2
Heat Quantity1
Thread Quantity24 PER INCH STUD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD
Maximum Wattage Rating in Watts250.0 SINGLE VOLTAGE
MaterialSTEEL CORROSION RESISTING SHEATH
Voltage in Volts and Current Type240.0 AC SINGLE VOLTAGE
MaterialCERAMIC AND MAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION
Frequency in Hertz60.0
Element Quantity1
PhaseSINGLE SINGLE VOLTAGE
Length4.750 INCHES NOMINAL IN
Watt Density Rating30.3 PER SQUARE INCH SINGLE VOLTAGE
Effective Heating Length2.750 INCHES NOMINAL IN
Mounting Method StyleSLOT OR HOLE TYPE MOUNTING FACILITY
Width1.500 INCHES NOMINAL IN
Terminal Arrangement StyleOFFSET OR STAGGERED AT ONE END
Body StyleSTRIP ELEMENT
Nominal Thread Size0.190 INCHES STUD IN
Mounting Facility Width0.3125 INCHES NOMINAL IN
Element Connection StyleSTUD TYPE
Terminal Length0.750 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length7.000 INCHES NOMINAL IN
Element Radiation SpectrumNONINFRARED
Mounting Facility Length0.500 INCHES NOMINAL IN
Terminal Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-144-89416219 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5305-00-821-942212272807 INTERCHANGEABLE
Setscrew
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5120-01-117-3212CS8 INTERCHANGEABLE
Socket,socket Wrench
Daniels Manufacturing Corporation
7050-01-512-4661CS8 INTERCHANGEABLE
Computer Subassembly
Raritan Americas, Inc. Dba Raritan Computer
4310-01-523-6446C/S8 INTERCHANGEABLE
Pneumatic Muffler,exhaust-Intake
Norgren C a Co
Cross-Reference Index
Part NumberManufacturer
CS-8 Hotwatt, Inc (USA)
CS-8-250W PRIMARY Hotwatt, Inc (USA)
Related Parts
3110-00-144-8941INTERCHANGEABLE
BEARING,BALL,ANNULAR
6219
5305-00-821-9422INTERCHANGEABLE
SETSCREW
12272807
5120-01-117-3212INTERCHANGEABLE
SOCKET,SOCKET WRENCH
CS8
7050-01-512-4661INTERCHANGEABLE
COMPUTER SUBASSEMBLY
CS8
4310-01-523-6446INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE
C/S8

Frequently Asked Questions

What is NSN 4520-01-437-8781?

NSN 4520-01-437-8781 is a Heating Element,electrical,nonim, manufactured by Hotwatt, Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-437-8781?

NSN 4520-01-437-8781 has 2 cross-referenced part numbers: CS-8 (Hotwatt, Inc), CS-8-250W (Hotwatt, Inc).

What NSN replaces 4520-01-437-8781?

There are 5 known substitutes for 4520-01-437-8781: 3110-00-144-8941, 5305-00-821-9422, 5120-01-117-3212 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS-8-250W?

Key specifications for CS-8-250W: Hole or Slot Quantity: 2; Heat Quantity: 1; Thread Quantity: 24 PER INCH STUD; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD. 28 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