Muffler, Exhaust2990-01-408-4769

NSN 2990-01-408-4769 · NIIN 014084769

FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories

Government record, cited

Also searched as 2990-01-408-4769 · 2990014084769 · NIIN 014084769 · 01-408-4769 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · F3HZ5230-H · F3HZ5230-H · LLLRPC283

Nearby stock numbers ← 2990-01-408-1511 Hanger, Engine Exhaust System · 2990-01-408-5740 Pipe, Exhaust →

Features

Muffler,exhaust — FSC 2990
Inlet Flange Shape: ROUND SINGLE INLET
Operating Position: VERTICAL
Coolant Type: AIR
Design Type: DRY
Muffler Design: STRAIGHT THROUGH W/BAFFLE
Inlet Connection Type: UNTHREADED SINGLE INLET
Body Shape: ROUND

Identification

NSN: 2990-01-408-4769
NIIN: 014084769
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-408-4769, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-01-408-4769
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Status	ACTIVE
Inlet Flange Shape	ROUND SINGLE INLET
Operating Position	VERTICAL
Coolant Type	AIR
Design Type	DRY
Muffler Design	STRAIGHT THROUGH W/BAFFLE
Inlet Connection Type	UNTHREADED SINGLE INLET
Body Shape	ROUND
Specific Use	FD1460 ENGINE
Surface Treatment	CHROMATE ZINC
Material	STEEL LOCATION NOT OTHERWISE SPECIFIED

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
F3HZ5230-H	5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales
F3HZ5230-H	3/9 Design control — primary reference Ford Motor Company
LLLRPC283	5/9 Secondary reference Naval Inventory Control Point Mechanicsburg

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 2990-01-408-4769?

NSN 2990-01-408-4769 is a Muffler,exhaust, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What are the specifications of 2990-01-408-4769?

Key specifications for 2990-01-408-4769: Inlet Flange Shape: ROUND SINGLE INLET; Operating Position: VERTICAL; Coolant Type: AIR; Design Type: DRY. 10 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-408-4769 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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