PartsTable TECHNICAL DATA SHEET
NSN 4520-01-154-1231Government record, cited

Heater, Duct Type, Stationary4520-01-154-1231

NSN 4520-01-154-1231 · NIIN 011541231 · Part number 106-054986-101
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 65586
Government record, cited
NSN 4520-01-154-1231 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-154-1231. Manufacturer of record part number: 106-054986-101.
Also searched as  4520-01-154-1231 · 4520011541231 · NIIN 011541231 · 01-154-1231 · FSC 4520 Space and Water Heating Equipment · CAGE 65586 · 106-054986-101 · 106-054986-000
Nearby stock numbers  ·
Features
  • Heater,duct Type,stationary — FSC 4520
  • Heat Delivery Rate: 3889.7 BRITISH THERMAL UNIT
  • Phase: SINGLE
  • Frequency in Hertz: 60.0
  • Current Type: AC
  • Heat Medium Type: AIR
  • Inclosure Material: STEEL
  • Voltage in Volts: 440.0
Identification
  • NSN: 4520-01-154-1231
  • NIIN: 011541231
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: 106-054986-101
  • Manufacturer: Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
General Description

The Heater,duct Type,stationary, cataloged under National Stock Number 4520-01-154-1231, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-154-1231
Primary Part Number106-054986-101
Item NameHeater,duct Type,stationary
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Heat Delivery Rate3889.7 BRITISH THERMAL UNIT
PhaseSINGLE
Frequency in Hertz60.0
Current TypeAC
Heat Medium TypeAIR
Inclosure MaterialSTEEL
Voltage in Volts440.0
Height10.000 INCHES NOMINAL IN
Surface TreatmentZINC
Depth5.375 INCHES NOMINAL IN
Width5.000 INCHES NOMINAL IN
Mounting TypeVENTILATION DUCT
Heating Element TypeELECTRIC NONIMMERSION
Current Rating in Amps2.6
Operating Control TypeTHERMOSTATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4520-01-158-9263118-055044-001 POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4520-01-162-2497106-054986-102 POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4520-01-163-3134106-054986-109 POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4520-01-244-4507106-054986-119 POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4520-01-244-4508106-054986-120 POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4520-01-244-4509106-054986-117 POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4520-01-244-5277106-054986-110 POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4520-01-244-5948106-054986-105 POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4520-01-255-1032106-054986-114 POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Cross-Reference Index
Part NumberManufacturer
106-054986-101 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Reference documents
ReferenceMeaning
106-054986-000 D/9 Drawing number reference only
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Related Parts
4520-01-158-9263POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
118-055044-001
4520-01-162-2497POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-054986-102
4520-01-163-3134POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-054986-109
4520-01-244-4507POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-054986-119
4520-01-244-4508POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-054986-120
4520-01-244-4509POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-054986-117
4520-01-244-5277POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-054986-110
4520-01-244-5948POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-054986-105
4520-01-255-1032POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-054986-114

Frequently Asked Questions

What is NSN 4520-01-154-1231?

NSN 4520-01-154-1231 is a Heater,duct Type,stationary, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-154-1231?

NSN 4520-01-154-1231 has 1 manufacturer part number on file: 106-054986-101 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4520-01-154-1231?

9 possible matches (shared part number, not a government interchangeability claim): 4520-01-158-9263, 4520-01-162-2497, 4520-01-163-3134. Verify interchangeability with system specifications before substitution.

What are the specifications of 106-054986-101?

Key specifications for 106-054986-101: Heat Delivery Rate: 3889.7 BRITISH THERMAL UNIT; Phase: SINGLE; Frequency in Hertz: 60.0; Current Type: AC. 15 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-154-1231 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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