The Muffler,exhaust, cataloged under National Stock Number 2990-01-566-2605, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Donaldson Company, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Donaldson Company, Inc. (CAGE 18265); Oshkosh Defense Llc (CAGE 75Q65) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-566-2605 |
| Primary Part Number | M130304 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| M130304 PRIMARY | Donaldson Company, Inc. (USA) |
| 3752833 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| M130140 | 5/9 Secondary reference Donaldson Company, Inc. |
| 2990PL2090948 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3598730 | 5/9 Secondary reference Oshkosh Corp |
| 3752833 | 7/9 Vendor item drawing reference Oshkosh Corp |
NSN 2990-01-566-2605 is a Muffler,exhaust, manufactured by Donaldson Company, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-566-2605 has 2 manufacturer part numbers on file: M130304 (Donaldson Company, Inc.), 3752833 (Oshkosh Defense Llc).
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.