Heater, Duct4520-01-481-1198

NSN 4520-01-481-1198 · NIIN 014811198 · Part number 21800024

Bollinger Shipyards Lockport, L.l.c. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 64513

Government record, cited

NSN 4520-01-481-1198 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-481-1198. Manufacturer of record part number: 21800024.

Also searched as 4520-01-481-1198 · 4520014811198 · NIIN 014811198 · 01-481-1198 · FSC 4520 Space and Water Heating Equipment · CAGE 64513 · 21800024

Nearby stock numbers ← 4520-01-480-9823 Pipe, Air Conditioning-Heating · 4520-01-481-1211 Heater, Duct →

Features

Heater,duct — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Bollinger Shipyards Lockport, L.l.c.

Identification

NSN: 4520-01-481-1198
NIIN: 014811198
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 21800024
Manufacturer: Bollinger Shipyards Lockport, L.l.c.

General Description

The Heater,duct, cataloged under National Stock Number 4520-01-481-1198, 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 Bollinger Shipyards Lockport, L.l.c.. 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	4520-01-481-1198
Primary Part Number	21800024
Item Name	Heater,duct
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Bollinger Shipyards Lockport, L.l.c.
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
21800024 PRIMARY	Bollinger Shipyards Lockport, L.l.c. (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 4520-01-481-1198?

NSN 4520-01-481-1198 is a Heater,duct, manufactured by Bollinger Shipyards Lockport, L.l.c., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-481-1198?

NSN 4520-01-481-1198 has 1 manufacturer part number on file: 21800024 (Bollinger Shipyards Lockport, L.l.c.).

What are the specifications of 21800024?

Key specifications for 21800024: Special Features: TYPE KVU-125, 670 W W; End Item Identification: P/N SM-02/03 AIR HANDLING UNIT ONBOARD 87 FT WPB COAST GUARD VESSELS FT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-481-1198 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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