PartsTable TECHNICAL DATA SHEET

NSN 4520-01-331-3545Government record, cited

Heater, Space, Electric4520-01-331-3545

NSN 4520-01-331-3545 · NIIN 013313545

FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal

Government record, cited

Also searched as 4520-01-331-3545 · 4520013313545 · NIIN 013313545 · 01-331-3545 · FSC 4520 Space and Water Heating Equipment

Nearby stock numbers ← 4520-01-331-2797 Heating Element, Electrical, Nonim · 4520-01-331-3546 Heater, Space, Electric →

Features

Heater,space,electric — FSC 4520
Current Type: AC
Voltage in Volts: 240.0
Height: 21.750 INCHES NOMINAL IN
Depth: 7.500 INCHES NOMINAL IN
Width: 19.000 INCHES NOMINAL IN
Heating Element Type: ELECTRIC NONIMMERSION

Identification

NSN: 4520-01-331-3545
NIIN: 013313545
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal

General Description

The Heater,space,electric, cataloged under National Stock Number 4520-01-331-3545, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4520-01-331-3545
Item Name	Heater,space,electric
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Status	ACTIVE
Current Type	AC
Voltage in Volts	240.0
Height	21.750 INCHES NOMINAL IN
Depth	7.500 INCHES NOMINAL IN
Width	19.000 INCHES NOMINAL IN
Heating Element Type	ELECTRIC NONIMMERSION

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
MUH-10-2	3/9 Design control — primary reference Marley Engineered Products Llc

No interchangeability data on file.

Other items in FSC 4520 — Space and Water Heating Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4520-00-000-0098

HEATING ELEMENT,ELECTRICAL,NONIM

4520-00-000-0099

4520-00-000-0099 · Item name not on file

4520-00-001-1240

4520-00-001-1240 · Item name not on file

4520-00-001-3518

HEATING ELEMENT,ELECTRICAL,NONIM

4520-00-001-3519

HEATING ELEMENT,ELECTRICAL,IMMER

4520-00-001-6052

HEATING ELEMENT,ELECTRICAL,NONIM

4520-00-001-6298

HEATING ELEMENT,ELECTRICAL,NONIM

4520-00-001-7726

HEATER,DUCT TYPE,PORTABLE

Frequently Asked Questions

What is NSN 4520-01-331-3545?

NSN 4520-01-331-3545 is a Heater,space,electric, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What are the specifications of 4520-01-331-3545?

Key specifications for 4520-01-331-3545: Current Type: AC; Voltage in Volts: 240.0; Height: 21.750 INCHES NOMINAL IN; Depth: 7.500 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-331-3545 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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