Heater, Ventilation, Duct Type4520-01-426-7449

NSN 4520-01-426-7449 · NIIN 014267449 · Part number 11641A

Clarke Industries · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 0BE92

Government record, cited

NSN 4520-01-426-7449 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-426-7449. Manufacturer of record part number: 11641A.

Also searched as 4520-01-426-7449 · 4520014267449 · NIIN 014267449 · 01-426-7449 · FSC 4520 Space and Water Heating Equipment · CAGE 0BE92 · 11641A

Nearby stock numbers ← 4520-01-426-4945 Heating Element, Electrical, Nonimmersion Type · 4520-01-426-7716 Heating Element, Electrical, Nonim →

Features

Heater,ventilation,duct Type — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Clarke Industries

Identification

NSN: 4520-01-426-7449
NIIN: 014267449
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 11641A
Manufacturer: Clarke Industries

General Description

The Heater,ventilation,duct Type, cataloged under National Stock Number 4520-01-426-7449, 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 Clarke Industries. 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	4520-01-426-7449
Primary Part Number	11641A
Item Name	Heater,ventilation,duct Type
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Clarke Industries
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
11641A PRIMARY	Clarke Industries (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 4520-01-426-7449?

NSN 4520-01-426-7449 is a Heater,ventilation,duct Type, manufactured by Clarke Industries, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-426-7449?

NSN 4520-01-426-7449 has 1 manufacturer part number on file: 11641A (Clarke Industries).

What are the specifications of 11641A?

Key specifications for 11641A: End Item Identification: PREPROVISIONING SUPPORT NAVICP IS POE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-426-7449 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.

PartsTable Design LLC · partstable.com