The Timer Switch,exhaust Gas Recircu, cataloged under National Stock Number 2990-01-548-4569, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Deutz Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-548-4569 |
| Primary Part Number | 0421-3663 |
| Item Name | Timer Switch,exhaust Gas Recircu |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Deutz Corporation |
| Status | ACTIVE |
| Vehicle Design Control Activity | 49185 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0421-3663 | Deutz Corporation (USA) |
| Reference | Meaning |
|---|---|
| TN0421 3663 | 3/9 Design control — primary reference Terex American Crane Corp |
NSN 2990-01-548-4569 is a Timer Switch,exhaust Gas Recircu, manufactured by Deutz Corporation, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-548-4569 has 1 manufacturer part number on file: 0421-3663 (Deutz Corporation).
Key specifications for 0421-3663: Vehicle Design Control Activity: 49185; Special Features: NHA IS ANTI-IGNITION KIT; Part Name Assigned by Controlling Agency: TIMER; End Item Identification: 3930-01-533-0855, LIGHT CAPABILITY, ROUGH TERRAIN FORKLIFT (LRTF). 1 specification is 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.
NSN 2990-01-548-4569 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.