PartsTable TECHNICAL DATA SHEET

NSN 2990-01-407-2980Government record, cited

Muffler, Exhaust2990-01-407-2980

NSN 2990-01-407-2980 · NIIN 014072980 · Part number 1280228H1

Komatsu America Corp. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 0SAT8

Government record, cited

NSN 2990-01-407-2980 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-407-2980. Manufacturer of record part number: 1280228H1.

Also searched as 2990-01-407-2980 · 2990014072980 · NIIN 014072980 · 01-407-2980 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 0SAT8 · 1280228H1 · 23554A

Nearby stock numbers ← 2990-01-407-0974 Muffler, Exhaust-Intake · 2990-01-407-3575 Pipe, Exhaust →

Features

Muffler,exhaust — FSC 2990
Operating Position: HORIZONTAL
Tube Quantity: 2
Body Shape: OVAL
1 manufacturer part number on file
Manufacturer of record: Komatsu America Corp.

Identification

NSN: 2990-01-407-2980
NIIN: 014072980
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 1280228H1
Manufacturer: Komatsu America Corp.

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-407-2980, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	2990-01-407-2980
Primary Part Number	1280228H1
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Komatsu America Corp.
Status	ACTIVE
Operating Position	HORIZONTAL
Tube Quantity	2
Body Shape	OVAL

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
1280228H1	Komatsu America Corp. (USA)

Reference documents

Reference	Meaning
23554A	5/9 Secondary reference Nelson Muffler Corp
1280228H1	3/9 Design control — primary reference Komatsu American Intl Co

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 2990-01-407-2980?

NSN 2990-01-407-2980 is a Muffler,exhaust, manufactured by Komatsu America Corp., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-407-2980?

NSN 2990-01-407-2980 has 1 manufacturer part number on file: 1280228H1 (Komatsu America Corp.).

What are the specifications of 1280228H1?

Key specifications for 1280228H1: Operating Position: HORIZONTAL; Tube Quantity: 2; Body Shape: OVAL; End Item Identification: LOADER, KOMATSU DRESSER, MODEL 515C. 3 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-407-2980 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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