PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

261340Heater,space,electric

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-00-115-0372 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-115-0372 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-115-0372. Primary manufacturer part number: 261340.
Features
  • Heater,space,electric — FSC 4520
  • Air Circulation Device: PROPELLER FAN
  • Maximum Air Flow Rate: 140.0 CUBIC FEET PER MINUTE
  • Speed Adjustments: SINGLE SPEED
  • Quantity: 1
  • Depth: 8.000 INCHES NOMINAL IN
  • Heating Element Type: ELECTRIC NONIMMERSION
  • Heat Outlet Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,space,electric, cataloged under National Stock Number 4520-00-115-0372, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-115-0372
Primary Part Number261340
Item NameHeater,space,electric
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Air Circulation DevicePROPELLER FAN
Maximum Air Flow Rate140.0 CUBIC FEET PER MINUTE
Speed AdjustmentsSINGLE SPEED
Quantity1
Depth8.000 INCHES NOMINAL IN
Heating Element TypeELECTRIC NONIMMERSION
Heat Outlet Quantity1
Operating Control TypeHAND SWITCH
Current Rating in Amps16.7
Current TypeAC
Heat Directing DeviceFIXED LOUVER
Width11.375 INCHES NOMINAL IN
Surface TreatmentENAMEL
Heat Delivery Rate6824.0 BRITISH THERMAL UNIT
Frequency in Hertz60.0
Voltage in Volts120.0
Prime Mover TypeELECTRIC MOTOR
Height13.625 INCHES NOMINAL IN
Inclosure MaterialSTEEL
Heat Delivery DirectionHORIZONTAL
Heat Discharge Outlet TypeSTATIONARY
Circulated Air TypeHEATED
PhaseSINGLE
Mounting TypeFLOOR SURFACE, FREE STANDING, NONDUCTED OR WALL SUSPENDED, ROOM INTERIOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5955-01-052-5424 INTERCHANGEABLE
Oscillator,crystal Controlled
4610-01-699-881591193 INTERCHANGEABLE
Modification Kit,water Treatment
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
HF303-120V Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
261340 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
HF-303AC PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
5955-01-052-5424INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
4610-01-699-8815INTERCHANGEABLE
MODIFICATION KIT,WATER TREATMENT
91193

Frequently Asked Questions

What is NSN 4520-00-115-0372?

NSN 4520-00-115-0372 is a Heater,space,electric, 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 4520-00-115-0372?

NSN 4520-00-115-0372 has 3 cross-referenced part numbers: HF303-120V (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 261340 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), HF-303AC (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4520-00-115-0372?

There are 2 known substitutes for 4520-00-115-0372: 5955-01-052-5424, 4610-01-699-8815. Verify interchangeability with system specifications before substitution.

What are the specifications of 261340?

Key specifications for 261340: Air Circulation Device: PROPELLER FAN; Maximum Air Flow Rate: 140.0 CUBIC FEET PER MINUTE; Speed Adjustments: SINGLE SPEED; Quantity: 1. 25 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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