NSN 2815-01-021-4890 · NIIN 010214890 · Part number 4N4029
Caterpillar Inc Div Caterpillar Defense · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2815-01-021-4890 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-021-4890. Manufacturer of record part number: 4N4029.
Also searched as2815-01-021-4890 ·
2815010214890 ·
NIIN 010214890 ·
01-021-4890 ·
FSC 2815 Diesel Engines and Components · CAGE 11083 · 4N4029 · IPD4N4029
Nearby stock numbers← 2815-01-021-4856
·
2815-01-021-5002 Ring Set, Piston →
Features
Piston,internal Combustion Engin — FSC 2815
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2815-01-021-4890
NIIN: 010214890
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4N4029
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-021-4890, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Piston,internal Combustion Engin
FSC / FSG
2815 — Diesel Engines and Components (FSG 28)
Manufacturers
Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Other items in FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-011-9099
2815-00-011-9099 · Item name not on file
2815-00-017-1875
PIN
2815-00-024-4185
2815-00-024-4185 · Item name not on file
2815-00-033-1482
2815-00-033-1482 · Item name not on file
2815-00-036-5350
2815-00-036-5350 · Item name not on file
2815-00-179-7630
TUBE
2815-00-346-4639
STRAINER ASSY
2815-00-592-5308
RING,PISTON
Frequently Asked Questions
What is NSN 2815-01-021-4890?
NSN 2815-01-021-4890 is a Piston,internal Combustion Engin, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
What part numbers are listed for NSN 2815-01-021-4890?
NSN 2815-01-021-4890 has 1 manufacturer part number on file: 4N4029 (Caterpillar Inc Div Caterpillar Defense).
Is NSN 2815-01-021-4890 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.