The Muffler,exhaust, cataloged under National Stock Number 2990-01-350-0135, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Burgess Manning, Inc. Dba Skimovex Usa (CAGE 00743) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-350-0135 |
| Primary Part Number | 5R8187 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 5R8187 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 61-1131-1 | Burgess Manning, Inc. Dba Skimovex Usa (USA) |
| 5R8180 IT 6 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 6665-1131-1 | 5/9 Secondary reference Burgess Manning, Inc. Dba Skimovex Usa |
NSN 2990-01-350-0135 is a Muffler,exhaust, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-350-0135 has 3 manufacturer part numbers on file: 5R8187 (Caterpillar Inc Div Caterpillar Defense), 61-1131-1 (Burgess Manning, Inc. Dba Skimovex Usa), 5R8180 IT 6 (Caterpillar Inc Div Caterpillar Defense).
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.