Heating Element, Electrical, Immer4520-01-705-3176

NSN 4520-01-705-3176 · NIIN 017053176 · Part number 155-501420-066

Chromalox Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 07131

Government record, cited

NSN 4520-01-705-3176 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-705-3176. Manufacturer of record part number: 155-501420-066.

Also searched as 4520-01-705-3176 · 4520017053176 · NIIN 017053176 · 01-705-3176 · FSC 4520 Space and Water Heating Equipment · CAGE 07131 · 155-501420-066 · 052-551505-071 ITEM 1

Nearby stock numbers ← 4520-01-705-3166 Heater, Space · 4520-01-705-3887 Heating Element, Electrical, Nonim →

Features

Heating Element,electrical,immer — FSC 4520
2 manufacturer part numbers on file
Manufacturer of record: Chromalox Inc

Identification

NSN: 4520-01-705-3176
NIIN: 017053176
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 155-501420-066
Manufacturer: Chromalox Inc

General Description

The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-705-3176, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Heating Element,electrical,immer
FSC / FSG	4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers	Chromalox Inc (CAGE 07131)

Technical Specifications

Parameter	Value
NSN	4520-01-705-3176
Primary Part Number	155-501420-066
Item Name	Heating Element,electrical,immer
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Chromalox Inc
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

Cross-Reference Index

Part Number	Manufacturer
155-501420-066 PRIMARY	Chromalox Inc (USA)
052-551505-071 ITEM 1	Chromalox Inc (USA)

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 4520-01-705-3176?

NSN 4520-01-705-3176 is a Heating Element,electrical,immer, manufactured by Chromalox Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-705-3176?

NSN 4520-01-705-3176 has 2 manufacturer part numbers on file: 155-501420-066 (Chromalox Inc), 052-551505-071 ITEM 1 (Chromalox Inc).

Is NSN 4520-01-705-3176 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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