The Muffler,exhaust, cataloged under National Stock Number 2990-01-315-3759, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Briggs and Stratton. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-315-3759 |
| Primary Part Number | 498984S |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Briggs and Stratton |
| Status | ACTIVE |
| Specific Use | THE MUFFLER ASSEMBLY IS COMMONLY FOUND IN ENGINES AND GENERATORS AND IN SNOWTHROWERS; THIS PART IS MADE OF METAL AND IS USED TO REDUCE THE NOISE FROM THE EXHAUST |
| 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 |
|---|---|
| 498984S | Briggs and Stratton (USA) |
| Reference | Meaning |
|---|---|
| 498984S | 3/9 Design control — primary reference Automotive & Industrial Supply Co Inc Dba Automotive & Industrial Sup Co |
| 392101 | 5/9 Secondary reference U.S. Government activity |
NSN 2990-01-315-3759 is a Muffler,exhaust, manufactured by Briggs and Stratton, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-315-3759 has 1 manufacturer part number on file: 498984S (Briggs and Stratton).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-429-0951. Verify interchangeability with system specifications before substitution.
Key specifications for 498984S: Specific Use: THE MUFFLER ASSEMBLY IS COMMONLY FOUND IN ENGINES AND GENERATORS AND IN SNOWTHROWERS; THIS PART IS MADE OF METAL AND IS USED TO REDUCE THE NOISE FROM THE EXHAUST; Special Features: UNIT WEIGHT: 0.10LBS LBS; Part Name Assigned by Controlling Agency: MUFFLER ASSEMBLY. 1 specification is 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.