PartsTable TECHNICAL DATA SHEET

NSN 4520-01-431-8927Government record, cited

Heater, Space4520-01-431-8927

NSN 4520-01-431-8927 · NIIN 014318927

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

Government record, cited

Also searched as 4520-01-431-8927 · 4520014318927 · NIIN 014318927 · 01-431-8927 · FSC 4520 Space and Water Heating Equipment · SHC35 · 106850-PKD · MIL-PRF-44493

Nearby stock numbers ← 4520-01-431-8319 Heating Element, Electrical, Nonim · 4520-01-431-9150 Heating Element, Electrical, Nonimmersion Type →

Features

Heater,space — FSC 4520

Identification

NSN: 4520-01-431-8927
NIIN: 014318927
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal

General Description

The Heater,space, cataloged under National Stock Number 4520-01-431-8927, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Heater,space
FSC / FSG	4520 — Space and Water Heating Equipment (FSG 45)

Technical Specifications

Parameter	Value
NSN	4520-01-431-8927
Item Name	Heater,space
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Status	ACTIVE

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

⇄ Related Items 12

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4520-01-493-3626SHC-0002AA POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

4520-01-493-3627SHC-0002AB POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

4520-01-493-3629SHC-0002AC POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

4520-01-493-3631SHC-0002AD POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

4520-01-493-3634SHC-0002AE POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

4520-01-493-3636SHC-0002AF POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

4520-01-493-3640SHC-0002AG POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

4520-01-493-3644SHC-0002AH POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

4520-01-493-3645SHC-0002AJ POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

4520-01-493-3647SHC-0002AK POSSIBLE MATCH

HEATER,SPACE

Possible match (shared part number)Hdt Expeditionary Systems Inc

Cross-Reference Index

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

Reference documents

Reference	Meaning
SHC35	5/9 Secondary reference U.S. Government activity
106850-PKD	3/2 Design control — primary reference U.S. Government activity
MIL-PRF-44493	4/1 Identification reference U.S. Government activity

Related Parts

4520-01-493-3626POSSIBLE MATCH

HEATER,SPACE

SHC-0002AA

4520-01-493-3627POSSIBLE MATCH

HEATER,SPACE

SHC-0002AB

4520-01-493-3629POSSIBLE MATCH

HEATER,SPACE

SHC-0002AC

4520-01-493-3631POSSIBLE MATCH

HEATER,SPACE

SHC-0002AD

4520-01-493-3634POSSIBLE MATCH

HEATER,SPACE

SHC-0002AE

4520-01-493-3636POSSIBLE MATCH

HEATER,SPACE

SHC-0002AF

4520-01-493-3640POSSIBLE MATCH

HEATER,SPACE

SHC-0002AG

4520-01-493-3644POSSIBLE MATCH

HEATER,SPACE

SHC-0002AH

4520-01-493-3645POSSIBLE MATCH

HEATER,SPACE

SHC-0002AJ

4520-01-493-3647POSSIBLE MATCH

HEATER,SPACE

SHC-0002AK

4520-01-493-3649POSSIBLE MATCH

HEATER,SPACE

SHC-0002AL

4520-01-520-6477POSSIBLE MATCH

HEATER SPACE SHC 60

SHC60

Frequently Asked Questions

What is NSN 4520-01-431-8927?

NSN 4520-01-431-8927 is a Heater,space, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What NSN replaces 4520-01-431-8927?

12 possible matches (shared part number, not a government interchangeability claim): 4520-01-493-3626, 4520-01-493-3627, 4520-01-493-3629. Verify interchangeability with system specifications before substitution.

Is NSN 4520-01-431-8927 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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