Heater, Duct Type, Stationary4520-01-626-9527

NSN 4520-01-626-9527 · NIIN 016269527

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

Government record, cited

Also searched as 4520-01-626-9527 · 4520016269527 · NIIN 016269527 · 01-626-9527 · FSC 4520 Space and Water Heating Equipment · L211N1E28243 · TFZ-28L-EBHR · 801-8484329-F20

Nearby stock numbers ← 4520-01-626-9343 Heating Element, Electrical, Nonim · 4520-01-626-9540 Register, Air →

Features

Heater,duct Type,stationary — FSC 4520
Criticality Code Justification: ZZZY
Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS

Identification

NSN: 4520-01-626-9527
NIIN: 016269527
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal

General Description

The Heater,duct Type,stationary, cataloged under National Stock Number 4520-01-626-9527, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4520-01-626-9527
Item Name	Heater,duct Type,stationary
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Status	ACTIVE
Criticality Code Justification	ZZZY
Reference Number Differentiating Characteristics	MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS

Lifecycle & Compliance

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

Cross-Reference Index

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

Reference documents

Reference	Meaning
L211N1E28243	5/1 Secondary reference Indeeco Llc Dba Indeeco
TFZ-28L-EBHR	3/1 Design control — primary reference Indeeco Llc Dba Indeeco
801-8484329-F20	5/1 Secondary reference Naval Sea Systems Command

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 4520-01-626-9527?

NSN 4520-01-626-9527 is a Heater,duct Type,stationary, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What are the specifications of 4520-01-626-9527?

Key specifications for 4520-01-626-9527: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-626-9527 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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