Muffler, Exhaust 2990-01-294-0522 NSN 2990-01-294-0522 · NIIN 012940522 · Part number 4W2056
Mitsubishi Caterpillar Forklift America, Inc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 78640
NSN 2990-01-294-0522 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-294-0522. Manufacturer of record part number: 4W2056 .
Also searched as
2990-01-294-0522 ·
2990012940522 ·
NIIN 012940522 ·
01-294-0522 ·
FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 78640 · 4W2056
Nearby stock numbers
← 2990-01-294-0356 Applique Plate
·
2990-01-294-0673 →
Features
Muffler,exhaust — FSC 2990 1 manufacturer part number on file Manufacturer of record: Mitsubishi Caterpillar Forklift America, Inc
Identification
NSN: 2990-01-294-0522
NIIN: 012940522
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 4W2056
Manufacturer: Mitsubishi Caterpillar Forklift America, Inc
General Description
The Muffler,exhaust, cataloged under National Stock Number 2990-01-294-0522, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Mitsubishi Caterpillar Forklift America, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 2990-01-294-0522 Primary Part Number 4W2056 Item Name Muffler,exhaust FSC / FSG 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft Manufacturer Mitsubishi Caterpillar Forklift America, 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
4W2056 PRIMARY Mitsubishi Caterpillar Forklift America, Inc (USA)
Reference documents
Reference Meaning
4W2056
5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense
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 2990-01-294-0522?
NSN 2990-01-294-0522 is a Muffler,exhaust, manufactured by Mitsubishi Caterpillar Forklift America, Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-294-0522?
NSN 2990-01-294-0522 has 1 manufacturer part number on file: 4W2056 (Mitsubishi Caterpillar Forklift America, Inc).
What are the specifications of 4W2056?
Key specifications for 4W2056: End Item Identification: V40-V50 FORKLIFT TRUCK. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2990-01-294-0522 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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