PartsTable TECHNICAL DATA SHEET
NSN 2990-01-184-1175Government record, cited

Muffler, Exhaust2990-01-184-1175

NSN 2990-01-184-1175 · NIIN 011841175 · Part number MJM090291
Donaldson Company, Inc. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 18265
Government record, cited
NSN 2990-01-184-1175 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-184-1175. Manufacturer of record part number: MJM090291.
Also searched as  2990-01-184-1175 · 2990011841175 · NIIN 011841175 · 01-184-1175 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 18265 · MJM090291 · 680690C4 · 680690C4
Nearby stock numbers  ·
Features
  • Muffler,exhaust — FSC 2990
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Donaldson Company, Inc.
Identification
  • NSN: 2990-01-184-1175
  • NIIN: 011841175
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: MJM090291
  • Manufacturer: Donaldson Company, Inc.
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-184-1175, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Donaldson Company, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
ParameterValue
NSN2990-01-184-1175
Primary Part NumberMJM090291
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerDonaldson Company, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
MJM090291 PRIMARY Donaldson Company, Inc. (USA)
680690C4 Komatsu America Corp. (USA)
Reference documents
ReferenceMeaning
680690C4 5/9 Secondary 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 2990-01-184-1175?

NSN 2990-01-184-1175 is a Muffler,exhaust, manufactured by Donaldson Company, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-184-1175?

NSN 2990-01-184-1175 has 2 manufacturer part numbers on file: MJM090291 (Donaldson Company, Inc.), 680690C4 (Komatsu America Corp.).

What are the specifications of MJM090291?

Key specifications for MJM090291: End Item Identification: END ITEM INTERNATIONAL HARVESTER CO LOADER MODEL NO. 560. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-184-1175 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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