The Muffler,exhaust, cataloged under National Stock Number 2990-01-052-5768, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration Inc.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-052-5768 |
| Primary Part Number | 13057-N |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Inlet Location | OFFSET IN END SECTION OF BODY 1.500 IN. C OF INLET ABOVE C LINE OF BODY IN |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 6.120 INCHES NOMINAL IN |
| Inlet Projection Length | 1.500 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 2 |
| Muffler Design | BAFFLE |
| Outlet Outside Diameter | 2.100 INCHES MINIMUM AND 2.120 INCHES MAXIMUM FIRST OUTLET IN |
| Tube Quantity | 2 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Surface Treatment | PAINT |
| Inlet Inside Diameter | 2.005 INCHES MINIMUM AND 2.025 INCHES MAXIMUM SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 2.500 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | OFFSET IN END SECTION OF BODY 1.120 IN. C OF OUTLET BELOW C LINE OF BODY IN |
| 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 |
|---|---|
| 13057-N PRIMARY | Cummins Filtration Inc. (USA) |
| 225252 | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| Reference | Meaning |
|---|---|
| T13057 | 5/9 Secondary reference Cummins Filtration Inc. |
| 225252 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 2990-01-052-5768 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-052-5768 has 2 manufacturer part numbers on file: 13057-N (Cummins Filtration Inc.), 225252 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling).
Key specifications for 13057-N: Inlet Location: OFFSET IN END SECTION OF BODY 1.500 IN. C OF INLET ABOVE C LINE OF BODY IN; Coolant Type: AIR; Design Type: DRY; Overall Diameter: 6.120 INCHES NOMINAL IN. 17 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.