The Muffler,exhaust, cataloged under National Stock Number 2990-00-919-5364, 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 18 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2990-00-919-5364 |
| Primary Part Number | U-86143 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 7.120 INCHES NOMINAL IN |
| Outlet Inside Diameter | 4.005 INCHES MINIMUM AND 4.025 INCHES MAXIMUM FIRST OUTLET IN |
| Inlet Projection Length | 3.800 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 2 |
| Muffler Design | BAFFLE |
| Tube Quantity | 2 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Surface Treatment | PAINT |
| Inlet Inside Diameter | 4.005 INCHES MINIMUM AND 4.025 INCHES MAXIMUM SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 4.200 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| 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 |
|---|---|
| 27Z329 | Morris Material Handling, Inc. (USA) |
| ABT86143 | Brighton Cromwell Llc (USA) |
| U-86143 PRIMARY | Cummins Filtration Inc. (USA) |
| 86143-U PRIMARY | Cummins Filtration Inc. (USA) |
| Reference | Meaning |
|---|---|
| ABT86143 | 5/9 Secondary reference Ar Bee Corp |
| XD400 | 5/9 Secondary reference Riker Products |
NSN 2990-00-919-5364 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-919-5364 has 4 manufacturer part numbers on file: 27Z329 (Morris Material Handling, Inc.), ABT86143 (Brighton Cromwell Llc), U-86143 (Cummins Filtration Inc.), 86143-U (Cummins Filtration Inc.).
Key specifications for U-86143: Operating Position: HORIZONTAL; Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Coolant Type: AIR; Design Type: DRY. 18 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.