Muffler, Exhaust2990-01-646-4024

NSN 2990-01-646-4024 · NIIN 016464024 · Part number 3S-5500

Maradyne Corporation · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 0DBY7

Government record, cited

NSN 2990-01-646-4024 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-646-4024. Manufacturer of record part number: 3S-5500.

Also searched as 2990-01-646-4024 · 2990016464024 · NIIN 016464024 · 01-646-4024 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 0DBY7 · 3S-5500

Nearby stock numbers ← 2990-01-646-3462 Control Unit Electr · 2990-01-646-4026 Housing, Spark Arrester, Exhaust →

Features

Muffler,exhaust — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Maradyne Corporation

Identification

NSN: 2990-01-646-4024
NIIN: 016464024
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 3S-5500
Manufacturer: Maradyne Corporation

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-646-4024, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Maradyne Corporation. 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	2990-01-646-4024
Primary Part Number	3S-5500
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Maradyne Corporation
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
3S-5500 PRIMARY	Maradyne Corporation (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.

2990-00-001-0001

BLOWER ASSEMBLY

2990-00-001-1248

2990-00-001-1248 · Item name not on file

2990-00-001-1250

2990-00-001-1250 · Item name not on file

2990-00-001-2055

2990-00-001-2055 · Item name not on file

2990-00-001-3498

2990-00-001-3498 · Item name not on file

2990-00-001-3520

2990-00-001-3520 · Item name not on file

2990-00-001-3521

2990-00-001-3521 · Item name not on file

2990-00-001-3522

CAP ASSEMBLY,MUFFLE

Frequently Asked Questions

What is NSN 2990-01-646-4024?

NSN 2990-01-646-4024 is a Muffler,exhaust, manufactured by Maradyne Corporation, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-646-4024?

NSN 2990-01-646-4024 has 1 manufacturer part number on file: 3S-5500 (Maradyne Corporation).

What are the specifications of 3S-5500?

Key specifications for 3S-5500: Part Name Assigned by Controlling Agency: RESONATOR; End Item Identification: SPARK ARRESTER MUFFLER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-646-4024 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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