PartsTable TECHNICAL DATA SHEET

NSN 4520-01-641-2452Government record, cited

Register, Air4520-01-641-2452

NSN 4520-01-641-2452 · NIIN 016412452 · Part number 24W12

Atlanta Supply Company, Inc. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 51SZ6

Government record, cited

NSN 4520-01-641-2452 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-641-2452. Manufacturer of record part number: 24W12.

Also searched as 4520-01-641-2452 · 4520016412452 · NIIN 016412452 · 01-641-2452 · FSC 4520 Space and Water Heating Equipment · CAGE 51SZ6 · 24W12

Nearby stock numbers ← 4520-01-641-2451 Register, Air · 4520-01-641-4755 Heater, Duct Type, Stationary →

Features

Register,air — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Atlanta Supply Company, Inc.

Identification

NSN: 4520-01-641-2452
NIIN: 016412452
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 24W12
Manufacturer: Atlanta Supply Company, Inc.

General Description

The Register,air, cataloged under National Stock Number 4520-01-641-2452, 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 Atlanta Supply 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	4520-01-641-2452
Primary Part Number	24W12
Item Name	Register,air
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Atlanta Supply 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
24W12 PRIMARY	Atlanta Supply 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 4520-01-641-2452?

NSN 4520-01-641-2452 is a Register,air, manufactured by Atlanta Supply Company, Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-641-2452?

NSN 4520-01-641-2452 has 1 manufacturer part number on file: 24W12 (Atlanta Supply Company, Inc.).

What are the specifications of 24W12?

Key specifications for 24W12: Part Name Assigned by Controlling Agency: SUPPLY DIFFUSER W/DAMPER 12X12. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-641-2452 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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