Exhaust System, Engine2990-01-633-4236

NSN 2990-01-633-4236 · NIIN 016334236 · Part number 1261245-489

Polaris Industries Inc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 1RE78

Government record, cited

NSN 2990-01-633-4236 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-633-4236. Manufacturer of record part number: 1261245-489.

Also searched as 2990-01-633-4236 · 2990016334236 · NIIN 016334236 · 01-633-4236 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 1RE78 · 1261245-489

Nearby stock numbers ← 2990-01-633-2586 Starter, Engine, Direct Combustion · 2990-01-633-4622 Cable Assembly, Control →

Features

Exhaust System,engine — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Polaris Industries Inc

Identification

NSN: 2990-01-633-4236
NIIN: 016334236
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 1261245-489
Manufacturer: Polaris Industries Inc

General Description

The Exhaust System,engine, cataloged under National Stock Number 2990-01-633-4236, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Polaris Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Exhaust System,engine
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Polaris Industries Inc (CAGE 1RE78)

Technical Specifications

Parameter	Value
NSN	2990-01-633-4236
Primary Part Number	1261245-489
Item Name	Exhaust System,engine
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Polaris Industries 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)

Cross-Reference Index

Part Number	Manufacturer
1261245-489 PRIMARY	Polaris Industries Inc (USA)

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 2990-01-633-4236?

NSN 2990-01-633-4236 is a Exhaust System,engine, manufactured by Polaris Industries Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-633-4236?

NSN 2990-01-633-4236 has 1 manufacturer part number on file: 1261245-489 (Polaris Industries Inc).

Is NSN 2990-01-633-4236 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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