PartsTable TECHNICAL DATA SHEET

NSN 2990-01-112-5982Government record, cited

Muffler, Exhaust2990-01-112-5982

NSN 2990-01-112-5982 · NIIN 011125982 · Part number 4506801S

Kohler Co Engine Plant Div · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 52845

Government record, cited

NSN 2990-01-112-5982 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-112-5982. Manufacturer of record part number: 4506801S.

Also searched as 2990-01-112-5982 · 2990011125982 · NIIN 011125982 · 01-112-5982 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 52845 · 4506801S · 4506801

Nearby stock numbers ← 2990-01-112-5920 Cylinder Assembly, E · 2990-01-112-6375 →

Features

Muffler,exhaust — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Kohler Co Engine Plant Div

Identification

NSN: 2990-01-112-5982
NIIN: 011125982
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 4506801S
Manufacturer: Kohler Co Engine Plant Div

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-112-5982, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Kohler Co Engine Plant Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Muffler,exhaust
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Kohler Co Engine Plant Div (CAGE 52845)

Technical Specifications

Parameter	Value
NSN	2990-01-112-5982
Primary Part Number	4506801S
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Kohler Co Engine Plant Div
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
4506801S PRIMARY	Kohler Co Engine Plant Div (USA)

Reference documents

Reference	Meaning
4506801	5/9 Secondary reference Kohler Co Engine Plant Div

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 2990-01-112-5982?

NSN 2990-01-112-5982 is a Muffler,exhaust, manufactured by Kohler Co Engine Plant Div, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-112-5982?

NSN 2990-01-112-5982 has 1 manufacturer part number on file: 4506801S (Kohler Co Engine Plant Div).

Is NSN 2990-01-112-5982 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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