Register, Air4520-01-699-3923

NSN 4520-01-699-3923 · NIIN 016993923 · Part number 438-9014

Marvin Land Systems, Inc. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 064H2

Government record, cited

NSN 4520-01-699-3923 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-699-3923. Manufacturer of record part number: 438-9014.

Also searched as 4520-01-699-3923 · 4520016993923 · NIIN 016993923 · 01-699-3923 · FSC 4520 Space and Water Heating Equipment · CAGE 064H2 · 438-9014

Nearby stock numbers ← 4520-01-699-3225 Heater, Water, Electric · 4520-01-699-4621 Heating Element, Electrical, Immer →

Features

Register,air — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Marvin Land Systems, Inc.

Identification

NSN: 4520-01-699-3923
NIIN: 016993923
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 438-9014
Manufacturer: Marvin Land Systems, Inc.

General Description

The Register,air, cataloged under National Stock Number 4520-01-699-3923, 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 Marvin Land Systems, 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.

Catalog Facts

Item Name	Register,air
FSC / FSG	4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers	Marvin Land Systems, Inc. (CAGE 064H2)

Technical Specifications

Parameter	Value
NSN	4520-01-699-3923
Primary Part Number	438-9014
Item Name	Register,air
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Marvin Land Systems, 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
438-9014 PRIMARY	Marvin Land Systems, 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 4520-01-699-3923?

NSN 4520-01-699-3923 is a Register,air, manufactured by Marvin Land Systems, Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-699-3923?

NSN 4520-01-699-3923 has 1 manufacturer part number on file: 438-9014 (Marvin Land Systems, Inc.).

Is NSN 4520-01-699-3923 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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