The Muffler,exhaust, cataloged under National Stock Number 2990-01-260-4464, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-260-4464 |
| Primary Part Number | 1123316C1 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Design Type | DRY |
| Baffle Quantity | 1 |
| Muffler Design | BAFFLE |
| Body Shape | OVAL |
| 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 |
|---|---|
| 1123316C1 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 1123316C1 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 1121728C2 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 2990-01-260-4464 is a Muffler,exhaust, manufactured by Dressta North America Ltd, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-260-4464 has 1 manufacturer part number on file: 1123316C1 (Dressta North America Ltd).
Key specifications for 1123316C1: Design Type: DRY; Baffle Quantity: 1; Muffler Design: BAFFLE; Body Shape: OVAL. 4 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.