Blade Assembly, Air Zone, Register4520-01-184-9665

NSN 4520-01-184-9665 · NIIN 011849665 · Part number 2021-078-02

Coen Company, Inc. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 71550

Government record, cited

NSN 4520-01-184-9665 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-184-9665. Manufacturer of record part number: 2021-078-02.

Also searched as 4520-01-184-9665 · 4520011849665 · NIIN 011849665 · 01-184-9665 · FSC 4520 Space and Water Heating Equipment · CAGE 71550 · 2021-078-02

Nearby stock numbers ← 4520-01-184-9352 Heater, Duct Type, Stationary · 4520-01-185-2428 Heater, Air →

Features

Blade Assembly,air Zone,register — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Coen Company, Inc.

Identification

NSN: 4520-01-184-9665
NIIN: 011849665
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 2021-078-02
Manufacturer: Coen Company, Inc.

General Description

The Blade Assembly,air Zone,register, cataloged under National Stock Number 4520-01-184-9665, 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 Coen Company, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4520-01-184-9665
Primary Part Number	2021-078-02
Item Name	Blade Assembly,air Zone,register
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Coen Company, 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
2021-078-02 PRIMARY	Coen Company, 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 4520-01-184-9665?

NSN 4520-01-184-9665 is a Blade Assembly,air Zone,register, manufactured by Coen Company, Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-184-9665?

NSN 4520-01-184-9665 has 1 manufacturer part number on file: 2021-078-02 (Coen Company, Inc.).

What are the specifications of 2021-078-02?

Key specifications for 2021-078-02: End Item Identification: COEN COMPANY REGISTER ASSEMBLY,P/N SAZ14 OR SAZ15 FOR MODEL 1MV OIL BURNER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-184-9665 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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