Adapter, Flywheel Housing2990-01-666-8406

NSN 2990-01-666-8406 · NIIN 016668406 · Part number YB-06598

Yamaha Motor Corporation, U.s.a · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 4V176

Government record, cited

NSN 2990-01-666-8406 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-666-8406. Manufacturer of record part number: YB-06598.

Also searched as 2990-01-666-8406 · 2990016668406 · NIIN 016668406 · 01-666-8406 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 4V176 · YB-06598

Nearby stock numbers ← 2990-01-666-7473 Sensor, Manifold Absolute Pressur · 2990-01-666-9341 Power Head →

Features

Adapter,flywheel Housing — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Yamaha Motor Corporation, U.s.a

Identification

NSN: 2990-01-666-8406
NIIN: 016668406
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: YB-06598
Manufacturer: Yamaha Motor Corporation, U.s.a

General Description

The Adapter,flywheel Housing, cataloged under National Stock Number 2990-01-666-8406, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Yamaha Motor Corporation, U.s.a. 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

Parameter	Value
NSN	2990-01-666-8406
Primary Part Number	YB-06598
Item Name	Adapter,flywheel Housing
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Yamaha Motor Corporation, U.s.a
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

Cross-Reference Index

Part Number	Manufacturer
YB-06598 PRIMARY	Yamaha Motor Corporation, U.s.a (USA)

No interchangeability data on file.

Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2990-00-096-8607

CONTROL ASSEMBLY,PUSH-PULL

2990-00-390-3445

CRANK,HAND,VEHICULAR

2990-00-459-7255

MUFFLER,EXHAUST

2990-00-459-7255

MUFFLER,EXHAUST

2990-00-536-2962

BLOCK,ADJUSTING SCREW

2990-00-903-8226

MUFFLER,EXHAUST

2990-01-151-5443

CONNECTOR,EXHAUST PIPE

2990-01-151-5443

CONNECTOR,EXHAUST PIPE

Frequently Asked Questions

What is NSN 2990-01-666-8406?

NSN 2990-01-666-8406 is a Adapter,flywheel Housing, manufactured by Yamaha Motor Corporation, U.s.a, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-666-8406?

NSN 2990-01-666-8406 has 1 manufacturer part number on file: YB-06598 (Yamaha Motor Corporation, U.s.a).

What are the specifications of YB-06598?

Key specifications for YB-06598: Special Features: ADAPTER,FLYWHEEL H; Part Name Assigned by Controlling Agency: ADAPTER,FLYWHEEL HOUSING; End Item Identification: PROPELLING UN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-666-8406 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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