PartsTable TECHNICAL DATA SHEET
NSN 2815-01-237-1675Government record, cited

Flywheel, Engine2815-01-237-1675

NSN 2815-01-237-1675 · NIIN 012371675 · Part number 4S8430
Caterpillar Inc Div Caterpillar Defense · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2815-01-237-1675 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-237-1675. Manufacturer of record part number: 4S8430.
Also searched as  2815-01-237-1675 · 2815012371675 · NIIN 012371675 · 01-237-1675 · FSC 2815 Diesel Engines and Components · CAGE 11083 · 4S8430
Nearby stock numbers  ·
Features
  • Flywheel,engine — FSC 2815
  • Nonsupply Items and Quantities: W/RING GEAR
  • 1 manufacturer part number on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 2815-01-237-1675
  • NIIN: 012371675
  • FSC: 2815 — Diesel Engines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 4S8430
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Flywheel,engine, cataloged under National Stock Number 2815-01-237-1675, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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
ParameterValue
NSN2815-01-237-1675
Primary Part Number4S8430
Item NameFlywheel,engine
FSC / FSG2815 / 28 — Diesel Engines and Components
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Nonsupply Items and QuantitiesW/RING GEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
4S8430 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
No interchangeability data on file.
Other items in FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-000-0075
ENGINE,DIESEL
2815-00-001-0022
VALVE,POPPET,ENGINE
2815-00-001-3475
PISTON,INTERNAL COMBUSTION ENGIN
2815-00-001-7728
TAPPET,PUMP
2815-00-001-7737
2815-00-001-7737 · Item name not on file
2815-00-001-7805
OIL PUMP ASSEMBLY
2815-00-001-7806
CAMSHAFT,ENGINE
2815-00-001-7813
RING SET,PISTON

Frequently Asked Questions

What is NSN 2815-01-237-1675?

NSN 2815-01-237-1675 is a Flywheel,engine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-237-1675?

NSN 2815-01-237-1675 has 1 manufacturer part number on file: 4S8430 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 4S8430?

Key specifications for 4S8430: Nonsupply Items and Quantities: W/RING GEAR; End Item Identification: DIESEL ENGINE. 1 specification is documented in the U.S. Government catalog.

Is NSN 2815-01-237-1675 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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