Flywheel, Engine2815-01-667-5781

NSN 2815-01-667-5781 · NIIN 016675781 · Part number 12641640

General Motors Corp · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 24617

Government record, cited

NSN 2815-01-667-5781 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-667-5781. Manufacturer of record part number: 12641640.

Also searched as 2815-01-667-5781 · 2815016675781 · NIIN 016675781 · 01-667-5781 · FSC 2815 Diesel Engines and Components · CAGE 24617 · 12641640 · 4377167

Nearby stock numbers ← 2815-01-667-5675 Manifold, Exhaust · 2815-01-667-5794 Flexplate, Automatic Transmission →

Features

Flywheel,engine — FSC 2815
Overall Diameter: 13.94 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: General Motors Corp

Identification

NSN: 2815-01-667-5781
NIIN: 016675781
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 12641640
Manufacturer: General Motors Corp

General Description

The Flywheel,engine, cataloged under National Stock Number 2815-01-667-5781, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is General Motors Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2815-01-667-5781
Primary Part Number	12641640
Item Name	Flywheel,engine
FSC / FSG	2815 / 28 — Diesel Engines and Components
Manufacturer	General Motors Corp
Status	ACTIVE
Overall Diameter	13.94 INCHES NOMINAL IN

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
12641640 PRIMARY	General Motors Corp (USA)

Reference documents

Reference	Meaning
4377167	7/2 Vendor item drawing reference Oshkosh Defense Llc

Frequently Asked Questions

What is NSN 2815-01-667-5781?

NSN 2815-01-667-5781 is a Flywheel,engine, manufactured by General Motors Corp, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-667-5781?

NSN 2815-01-667-5781 has 1 manufacturer part number on file: 12641640 (General Motors Corp).

What are the specifications of 12641640?

Key specifications for 12641640: Overall Diameter: 13.94 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FLYWHEEL, DMAX; End Item Identification: 2320-01-652-5208. 1 specification is documented in the U.S. Government catalog.

Is NSN 2815-01-667-5781 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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