PartsTable TECHNICAL DATA SHEET
NSN 2990-01-112-2080Government record, cited

Muffler, Exhaust2990-01-112-2080

NSN 2990-01-112-2080 · NIIN 011122080 · Part number 113543
Cadillac Gage Textron Inc. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 10237
Government record, cited
NSN 2990-01-112-2080 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-112-2080. Manufacturer of record part number: 113543.
Also searched as  2990-01-112-2080 · 2990011122080 · NIIN 011122080 · 01-112-2080 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 10237 · 113543
Nearby stock numbers  ·
Features
  • Muffler,exhaust — FSC 2990
  • Inlet Flange Shape: ROUND SINGLE INLET
  • Operating Position: HORIZONTAL
  • Inlet Location: LOCATED IN END SECTION OF BODY
  • Coolant Type: AIR
  • Design Type: DRY
  • Outlet Flange Shape: ROUND FIRST OUTLET
  • Inlet Connection Type: FLANGE SINGLE INLET
Identification
  • NSN: 2990-01-112-2080
  • NIIN: 011122080
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 113543
  • Manufacturer: Cadillac Gage Textron Inc.
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-112-2080, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cadillac Gage Textron Inc.. Government technical data includes 10 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
ParameterValue
NSN2990-01-112-2080
Primary Part Number113543
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerCadillac Gage Textron Inc.
StatusACTIVE
Inlet Flange ShapeROUND SINGLE INLET
Operating PositionHORIZONTAL
Inlet LocationLOCATED IN END SECTION OF BODY
Coolant TypeAIR
Design TypeDRY
Outlet Flange ShapeROUND FIRST OUTLET
Inlet Connection TypeFLANGE SINGLE INLET
Body ShapeRECTANGULAR
Outlet Connection TypeFLANGE FIRST OUTLET
Outlet LocationLOCATED IN END SECTION OF BODY
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
113543 PRIMARY Cadillac Gage Textron Inc. (USA)

Frequently Asked Questions

What is NSN 2990-01-112-2080?

NSN 2990-01-112-2080 is a Muffler,exhaust, manufactured by Cadillac Gage Textron Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-112-2080?

NSN 2990-01-112-2080 has 1 manufacturer part number on file: 113543 (Cadillac Gage Textron Inc.).

What are the specifications of 113543?

Key specifications for 113543: Inlet Flange Shape: ROUND SINGLE INLET; Operating Position: HORIZONTAL; Inlet Location: LOCATED IN END SECTION OF BODY; Coolant Type: AIR. 10 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-112-2080 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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