The Muffler,exhaust, cataloged under National Stock Number 2990-00-065-8586, 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-065-8586 |
| Primary Part Number | 08659N |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Overall Diameter | 4.625 INCHES NOMINAL IN |
| Surface Treatment | ALUMINUM |
| 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 |
|---|---|
| 08659N PRIMARY | Cummins Filtration Inc. (USA) |
| Reference | Meaning |
|---|---|
| 13211E6745 | 1/2 Source control — Government-approved source U.S. Government activity |
| T8659 | 5/9 Secondary reference Cummins Filtration Inc. |
| 155D842 | 5/9 Secondary reference Cummins Power Generation Inc. |
| 5115-109 | 5/9 Secondary reference Cummins Filtration Inc. |
NSN 2990-00-065-8586 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-065-8586 has 1 manufacturer part number on file: 08659N (Cummins Filtration Inc.).
Key specifications for 08659N: Overall Diameter: 4.625 INCHES NOMINAL IN; Surface Treatment: ALUMINUM; 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.