The Deflector,muffler, cataloged under National Stock Number 2990-01-105-5646, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Deflector,muffler |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Dressta North America Ltd (CAGE 45RP7) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-105-5646 |
| Primary Part Number | 121333 |
| Item Name | Deflector,muffler |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Dressta North America Ltd |
| 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 |
|---|---|
| 121333 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 121333 | 5/9 Secondary reference Komatsu America Corporation |
| H-121333 | 5/9 Secondary reference Komatsu America Corporation |
NSN 2990-01-105-5646 is a Deflector,muffler, manufactured by Dressta North America Ltd, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-105-5646 has 1 manufacturer part number on file: 121333 (Dressta North America Ltd).
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.