PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

135263Heating Element,electrical,nonim

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-00-389-4782 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-389-4782 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-389-4782. Primary manufacturer part number: 135263.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE
  • Phase: SINGLE SINGLE VOLTAGE
  • Frequency in Hertz: 60.0
  • Element Quantity: 1
  • Heat Quantity: 1
  • Material: STEEL SHEATH
  • Maximum Wattage Rating in Watts: 200.0 SINGLE VOLTAGE
Applications
  • Applications requiring Steel Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-389-4782, 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 14 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4520-00-389-4782
Primary Part Number135263
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusCANCELLED
Voltage in Volts and Current Type120.0 AC SINGLE VOLTAGE
PhaseSINGLE SINGLE VOLTAGE
Frequency in Hertz60.0
Element Quantity1
Heat Quantity1
MaterialSTEEL SHEATH
Maximum Wattage Rating in Watts200.0 SINGLE VOLTAGE
Watt Density Rating12.0 PER SQUARE INCH SINGLE VOLTAGE
Body StyleSINGLE HEAT RING
Terminal Quantity2
Terminal Length0.344 INCHES NOMINAL IN
Element Connection StyleSTUD TYPE
Element Radiation SpectrumNONINFRARED
Outside Diameter3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6210-00-183-0477LS10033-70 INTERCHANGEABLE
Lens,light
Lockheed Martin Corp
5998-00-931-7336 INTERCHANGEABLE
Circuit Card Assembly
8145-01-160-374115591 INTERCHANGEABLE
Shipping and Storage Container
Naval Inventory Control Point
3120-01-193-6978135263 INTERCHANGEABLE
Bushing,sleeve
Astronautics Corporation of America
5315-01-288-58191559-1 INTERCHANGEABLE
Pin,straight,headless
Tate Andale, Llc
5962-01-380-9801A584A807-101 INTERCHANGEABLE
Microcircuit,hybrid
Bae Systems Information and Electronic Systems Integration Inc.
3030-01-415-300015585 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
Cross-Reference Index
Part NumberManufacturer
15591NA Unipress Corporation (USA)
135263 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
15591 Unipress Corporation (USA)
Related Parts
6210-00-183-0477INTERCHANGEABLE
LENS,LIGHT
LS10033-70
5998-00-931-7336INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
8145-01-160-3741INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER
15591
3120-01-193-6978INTERCHANGEABLE
BUSHING,SLEEVE
135263
5315-01-288-5819INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
1559-1
5962-01-380-9801INTERCHANGEABLE
MICROCIRCUIT,HYBRID
A584A807-101
3030-01-415-3000INTERCHANGEABLE
BELT,V
15585

Frequently Asked Questions

What is NSN 4520-00-389-4782?

NSN 4520-00-389-4782 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: cancelled.

What are the part numbers for NSN 4520-00-389-4782?

NSN 4520-00-389-4782 has 3 cross-referenced part numbers: 15591NA (Unipress Corporation), 135263 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 15591 (Unipress Corporation).

What NSN replaces 4520-00-389-4782?

There are 7 known substitutes for 4520-00-389-4782: 6210-00-183-0477, 5998-00-931-7336, 8145-01-160-3741 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 135263?

Key specifications for 135263: Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE; Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Element Quantity: 1. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4520-00-389-4782 still in active supply?

NSN 4520-00-389-4782 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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