The Muffler,exhaust, cataloged under National Stock Number 2990-01-237-6428, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 3 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. Current acquisition status: Active.
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Cummins Power Generation Inc. (CAGE 44940) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-237-6428 |
| Primary Part Number | 155-1258 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Power Generation Inc. |
| Status | ACTIVE |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Body Shape | ROUND |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 155-1258 PRIMARY | Cummins Power Generation Inc. (USA) |
NSN 2990-01-237-6428 is a Muffler,exhaust, manufactured by Cummins Power Generation Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-237-6428 has 1 manufacturer part number on file: 155-1258 (Cummins Power Generation Inc.).
Key specifications for 155-1258: Overall Diameter: 5.000 INCHES NOMINAL IN; Body Shape: ROUND; End Item Identification: ONAN CORP GENERATOR SET MODEL 6.5NH-RV,SPEC K; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED. 3 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.