Engine Block, Diesel2815-01-310-1404

NSN 2815-01-310-1404 · NIIN 013101404 · Part number 2W4859

Caterpillar Inc Div Caterpillar Defense · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083

Government record, cited

NSN 2815-01-310-1404 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-310-1404. Manufacturer of record part number: 2W4859.

Also searched as 2815-01-310-1404 · 2815013101404 · NIIN 013101404 · 01-310-1404 · FSC 2815 Diesel Engines and Components · CAGE 11083 · 2W4859

Nearby stock numbers ← 2815-01-310-1403 Cylinder Head, Diesel Engine · 2815-01-310-1741 Connecting Rod, Piston →

Features

Engine Block,diesel — FSC 2815
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 2815-01-310-1404
NIIN: 013101404
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 2W4859
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Engine Block,diesel, cataloged under National Stock Number 2815-01-310-1404, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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	2815-01-310-1404
Primary Part Number	2W4859
Item Name	Engine Block,diesel
FSC / FSG	2815 / 28 — Diesel Engines and Components
Manufacturer	Caterpillar Inc Div Caterpillar Defense
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.

2815-01-329-14217N0843 POSSIBLE MATCH

ENGINE BLOCK,DIESEL

Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense

Cross-Reference Index

Part Number	Manufacturer
2W4859 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Related Parts

2815-01-329-1421POSSIBLE MATCH

ENGINE BLOCK,DIESEL

7N0843

Frequently Asked Questions

What is NSN 2815-01-310-1404?

NSN 2815-01-310-1404 is a Engine Block,diesel, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-310-1404?

NSN 2815-01-310-1404 has 1 manufacturer part number on file: 2W4859 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 2815-01-310-1404?

1 possible match (shared part number, not a government interchangeability claim): 2815-01-329-1421. Verify interchangeability with system specifications before substitution.

What are the specifications of 2W4859?

Key specifications for 2W4859: End Item Identification: ENGINE DIESEL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2815-01-310-1404 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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