Muffler, Exhaust2990-01-424-9771

NSN 2990-01-424-9771 · NIIN 014249771 · Part number 1012747

Tld Ace Corp Div Tld Ace · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 00365

Government record, cited

NSN 2990-01-424-9771 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-424-9771. Manufacturer of record part number: 1012747.

Also searched as 2990-01-424-9771 · 2990014249771 · NIIN 014249771 · 01-424-9771 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 00365 · 1012747

Nearby stock numbers ← 2990-01-424-9769 Converter, Catalytic, Automotive · 2990-01-424-9778 Air Cleaner, Crankcase, Emission C →

Features

Muffler,exhaust — FSC 2990
Inlet Location: CENTRALLY LOCATED IN THE END SECTION OF BODY
Overall Diameter: 16.000 INCHES NOMINAL IN
Outlet Outside Diameter: 5.000 INCHES NOMINAL FIRST OUTLET IN
Inlet Connection Type: UNTHREADED SINGLE INLET
Body Shape: ROUND
Inlet Inside Diameter: 5.000 INCHES NOMINAL SINGLE INLET IN
Outlet Connection Type: UNTHREADED FIRST OUTLET

Identification

NSN: 2990-01-424-9771
NIIN: 014249771
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 1012747
Manufacturer: Tld Ace Corp Div Tld Ace

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-424-9771, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Tld Ace Corp Div Tld Ace. Government technical data includes 8 specifications, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-01-424-9771
Primary Part Number	1012747
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Tld Ace Corp Div Tld Ace
Status	ACTIVE
Inlet Location	CENTRALLY LOCATED IN THE END SECTION OF BODY
Overall Diameter	16.000 INCHES NOMINAL IN
Outlet Outside Diameter	5.000 INCHES NOMINAL FIRST OUTLET IN
Inlet Connection Type	UNTHREADED SINGLE INLET
Body Shape	ROUND
Inlet Inside Diameter	5.000 INCHES NOMINAL SINGLE INLET IN
Outlet Connection Type	UNTHREADED FIRST OUTLET
Outlet Location	LOCATED ON MID-SECTION OF BODY

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
1012747 PRIMARY	Tld Ace Corp Div Tld Ace (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 2990-01-424-9771?

NSN 2990-01-424-9771 is a Muffler,exhaust, manufactured by Tld Ace Corp Div Tld Ace, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-424-9771?

NSN 2990-01-424-9771 has 1 manufacturer part number on file: 1012747 (Tld Ace Corp Div Tld Ace).

What are the specifications of 1012747?

Key specifications for 1012747: Inlet Location: CENTRALLY LOCATED IN THE END SECTION OF BODY; Overall Diameter: 16.000 INCHES NOMINAL IN; Overall Length: 25.500 INCHES NOMINAL IN; Outlet Outside Diameter: 5.000 INCHES NOMINAL FIRST OUTLET IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-424-9771 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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