Heater, Convection, Steam-Hot Wate4520-01-610-5541

NSN 4520-01-610-5541 · NIIN 016105541 · Part number 143873

Dispatch Industries Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 0MXP9

Government record, cited

NSN 4520-01-610-5541 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-610-5541. Manufacturer of record part number: 143873.

Also searched as 4520-01-610-5541 · 4520016105541 · NIIN 016105541 · 01-610-5541 · FSC 4520 Space and Water Heating Equipment · CAGE 0MXP9 · 143873

Nearby stock numbers ← 4520-01-610-5472 Heater, Space, Electric · 4520-01-610-6169 Heater, Water, Gas →

Features

Heater,convection,steam-Hot Wate — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Dispatch Industries Inc

Identification

NSN: 4520-01-610-5541
NIIN: 016105541
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 143873
Manufacturer: Dispatch Industries Inc

General Description

The Heater,convection,steam-Hot Wate, cataloged under National Stock Number 4520-01-610-5541, 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 Dispatch Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4520-01-610-5541
Primary Part Number	143873
Item Name	Heater,convection,steam-Hot Wate
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Dispatch Industries 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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5310-01-698-8285143873 POSSIBLE MATCH

WASHER,LOCK

Possible match (shared part number)Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.

Cross-Reference Index

Part Number	Manufacturer
143873 PRIMARY	Dispatch Industries Inc (USA)

Related Parts

5310-01-698-8285POSSIBLE MATCH

WASHER,LOCK

143873

Frequently Asked Questions

What is NSN 4520-01-610-5541?

NSN 4520-01-610-5541 is a Heater,convection,steam-Hot Wate, manufactured by Dispatch Industries Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-610-5541?

NSN 4520-01-610-5541 has 1 manufacturer part number on file: 143873 (Dispatch Industries Inc).

What NSN replaces 4520-01-610-5541?

1 possible match (shared part number, not a government interchangeability claim): 5310-01-698-8285. Verify interchangeability with system specifications before substitution.

What are the specifications of 143873?

Key specifications for 143873: Special Features: HTR AYI LAC1-10-5 1.0KW; End Item Identification: OVER, CONVECTION. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-610-5541 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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