Heater, Crankcase4520-01-260-4333

NSN 4520-01-260-4333 · NIIN 012604333 · Part number 2625-1-1

Avaho Acquisition Corp Dba Impac · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 10018

Government record, cited

NSN 4520-01-260-4333 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-260-4333. Manufacturer of record part number: 2625-1-1.

Also searched as 4520-01-260-4333 · 4520012604333 · NIIN 012604333 · 01-260-4333 · FSC 4520 Space and Water Heating Equipment · CAGE 10018 · 2625-1-1

Nearby stock numbers ← 4520-01-260-3572 Heating Element, Electrical, Nonim · 4520-01-260-4379 →

Features

Heater,crankcase — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Avaho Acquisition Corp Dba Impac

Identification

NSN: 4520-01-260-4333
NIIN: 012604333
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 2625-1-1
Manufacturer: Avaho Acquisition Corp Dba Impac

General Description

The Heater,crankcase, cataloged under National Stock Number 4520-01-260-4333, 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 Avaho Acquisition Corp Dba Impac. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Heater,crankcase
FSC / FSG	4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers	Avaho Acquisition Corp Dba Impac (CAGE 10018)

Technical Specifications

Parameter	Value
NSN	4520-01-260-4333
Primary Part Number	2625-1-1
Item Name	Heater,crankcase
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Avaho Acquisition Corp Dba Impac
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 2

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

4720-01-370-921726251-1 POSSIBLE MATCH

HOSE ASSEMBLY,NONMETALLIC

Possible match (shared part number)Hdt Expeditionary Systems Inc

5935-01-431-8140 POSSIBLE MATCH

CONNECTOR,RECEPTACLE,ELECTRICAL

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
2625-1-1 PRIMARY	Avaho Acquisition Corp Dba Impac (USA)

Related Parts

4720-01-370-9217POSSIBLE MATCH

HOSE ASSEMBLY,NONMETALLIC

26251-1

5935-01-431-8140POSSIBLE MATCH

CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 4520-01-260-4333?

NSN 4520-01-260-4333 is a Heater,crankcase, manufactured by Avaho Acquisition Corp Dba Impac, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-260-4333?

NSN 4520-01-260-4333 has 1 manufacturer part number on file: 2625-1-1 (Avaho Acquisition Corp Dba Impac).

What NSN replaces 4520-01-260-4333?

2 possible matches (shared part number, not a government interchangeability claim): 4720-01-370-9217, 5935-01-431-8140. Verify interchangeability with system specifications before substitution.

Is NSN 4520-01-260-4333 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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