PartsTable TECHNICAL DATA SHEET

NSN 2990-01-565-3582Government record, cited

Pipe, Exhaust2990-01-565-3582

NSN 2990-01-565-3582 · NIIN 015653582 · Part number 65621 99B

Harley Davidson Motor Co Inc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 27296

Government record, cited

NSN 2990-01-565-3582 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-565-3582. Manufacturer of record part number: 65621 99B.

Also searched as 2990-01-565-3582 · 2990015653582 · NIIN 015653582 · 01-565-3582 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 27296 · 65621 99B · 65621 99

Nearby stock numbers ← 2990-01-565-2804 Actuator, Electro-Mechanical, Line · 2990-01-565-4355 Manifold, Intake →

Features

Pipe,exhaust — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Harley Davidson Motor Co Inc

Identification

NSN: 2990-01-565-3582
NIIN: 015653582
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 65621 99B
Manufacturer: Harley Davidson Motor Co Inc

General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-01-565-3582, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Harley Davidson Motor Co Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	2990-01-565-3582
Primary Part Number	65621 99B
Item Name	Pipe,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Harley Davidson Motor Co Inc
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
65621 99B PRIMARY	Harley Davidson Motor Co Inc (USA)

Reference documents

Reference	Meaning
65621 99	5/9 Secondary reference Harley Davidson Motor Co Inc

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 2990-01-565-3582?

NSN 2990-01-565-3582 is a Pipe,exhaust, manufactured by Harley Davidson Motor Co Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-565-3582?

NSN 2990-01-565-3582 has 1 manufacturer part number on file: 65621 99B (Harley Davidson Motor Co Inc).

What are the specifications of 65621 99B?

Key specifications for 65621 99B: End Item Identification: HARLEY DAVIDSON MOTORCYCLE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-565-3582 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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