The Magneto,ignition, cataloged under National Stock Number 2920-00-920-8244, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-920-8244 |
| Primary Part Number | 1S3349 |
| Item Name | Magneto,ignition |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Mounting Standard Controlling Agency | SAE |
| Mounting Facility Quantity | 2 |
| Mounting Slot Length | 1.100 INCHES NOMINAL IN |
| Mounting Method | FLANGE |
| Drive Connection Type | FLEXIBLE COUPLED |
| Pole Quantity | 2 |
| Mounting Facility Thread Quantity Per Inch | 18 |
| Shaft Rotation Direction | COUNTERCLOCKWISE |
| Distance Between Mounting Facility Centers | 4.264 INCHES NOMINAL IN |
| Body Material | ALUMINUM ALLOY |
| Mounting Facility Thread Diameter | 0.312 INCHES NOMINAL IN |
| Impulse Quantity Per Revolution | 1 |
| Contact Set Quantity | 1 |
| Mounting Facility | SLOT AND THREADED HOLE(S) |
| Ignition Type for Which Designed | SINGLE |
| Performance Type | LOW TENSION |
| Rotation Element Type | PERMANENT MAGNET FLYWHEEL |
| Mounting Slot Width | 0.442 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1S3349 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 115538 | 5/9 Secondary reference Wico-Prestolite Co the Div of Eltra Corp |
NSN 2920-00-920-8244 is a Magneto,ignition, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-920-8244 has 1 manufacturer part number on file: 1S3349 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 1S3349: Mounting Standard Controlling Agency: SAE; Mounting Facility Quantity: 2; Mounting Slot Length: 1.100 INCHES NOMINAL IN; Mounting Method: FLANGE. 18 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.