The Muffler,exhaust, cataloged under National Stock Number 2990-01-331-6497, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Champion Road Machinery Inc Pro-Pav Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Champion Road Machinery Inc Pro-Pav Div (CAGE 070K6) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-331-6497 |
| Primary Part Number | 10349652 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Champion Road Machinery Inc Pro-Pav Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 10349652 PRIMARY | Champion Road Machinery Inc Pro-Pav Div (USA) |
| Reference | Meaning |
|---|---|
| B10260 | 5/9 Secondary reference Ingersoll-Rand Canada Inc |
| B1026 | 5/9 Secondary reference Ingersoll-Rand Canada Inc |
| 10349652 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand Div Road Development |
NSN 2990-01-331-6497 is a Muffler,exhaust, manufactured by Champion Road Machinery Inc Pro-Pav Div, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-331-6497 has 1 manufacturer part number on file: 10349652 (Champion Road Machinery Inc Pro-Pav Div).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-530-4129. Verify interchangeability with system specifications before substitution.
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.