Flywheel, Engine2815-01-668-7484

NSN 2815-01-668-7484 · NIIN 016687484 · Part number 3970296

Cummins Inc. · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 15434

Government record, cited

NSN 2815-01-668-7484 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-668-7484. Manufacturer of record part number: 3970296.

Also searched as 2815-01-668-7484 · 2815016687484 · NIIN 016687484 · 01-668-7484 · FSC 2815 Diesel Engines and Components · CAGE 15434 · 3970296 · 70022634

Nearby stock numbers ← 2815-01-668-5564 Rotor Blower Assembly, Diesel Eng · 2815-01-668-8488 Screw, Adjusting, Valve Tappet →

Features

Flywheel,engine — FSC 2815
Overall Diameter: 407.85 MILLIMETERS NOMINAL MM
Engine Design Control Activity: 15434
Nonsupply Items and Quantities: RING GEAR 1
2 manufacturer part numbers on file
Manufacturer of record: Cummins Inc.

Identification

NSN: 2815-01-668-7484
NIIN: 016687484
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 3970296
Manufacturer: Cummins Inc.

General Description

The Flywheel,engine, cataloged under National Stock Number 2815-01-668-7484, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2815-01-668-7484
Primary Part Number	3970296
Item Name	Flywheel,engine
FSC / FSG	2815 / 28 — Diesel Engines and Components
Manufacturer	Cummins Inc.
Status	ACTIVE
Overall Diameter	407.85 MILLIMETERS NOMINAL MM
Engine Design Control Activity	15434
Nonsupply Items and Quantities	RING GEAR 1

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

Cross-Reference Index

Part Number	Manufacturer
70022634	Oshkosh Defense Llc (USA)
3970296 PRIMARY	Cummins Inc. (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.

2815-00-011-9099

2815-00-011-9099 · Item name not on file

2815-00-017-1875

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 2815-01-668-7484?

NSN 2815-01-668-7484 is a Flywheel,engine, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-668-7484?

NSN 2815-01-668-7484 has 2 manufacturer part numbers on file: 70022634 (Oshkosh Defense Llc), 3970296 (Cummins Inc.).

What are the specifications of 3970296?

Key specifications for 3970296: Overall Diameter: 407.85 MILLIMETERS NOMINAL MM; Engine Design Control Activity: 15434; Nonsupply Items and Quantities: RING GEAR 1; Special Features: INCLUDES RING GEAR. 3 specifications are documented in the U.S. Government catalog.

Is NSN 2815-01-668-7484 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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