The Muffler,exhaust, cataloged under National Stock Number 2990-01-321-2276, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Deere & Company Dba Deere John Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-321-2276 |
| Primary Part Number | AL31492 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| Coolant Type | AIR |
| Design Type | DRY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AL31492 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| Reference | Meaning |
|---|---|
| AL31492 | 5/9 Secondary reference Deere & Co |
NSN 2990-01-321-2276 is a Muffler,exhaust, manufactured by Deere & Company Dba Deere John Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-321-2276 has 1 manufacturer part number on file: AL31492 (Deere & Company Dba Deere John Co).
Key specifications for AL31492: Coolant Type: AIR; Design Type: DRY; End Item Identification: JOHN DEERE CO,MODELS 2350,2355 AND 2550 SERIES WHEEL TRACTOR. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.