The Magneto,ignition, cataloged under National Stock Number 2920-00-554-0125, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2920-00-554-0125 |
| Primary Part Number | FMXE4B16B |
| Item Name | Magneto,ignition |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Mounting Standard Controlling Agency | SAE |
| Mounting Facility Quantity | 2 |
| Mounting Slot Length | 1.137 INCHES NOMINAL IN |
| Mounting Method | FLANGE |
| Drive Connection Type | IMPULSE COUPLED |
| Pole Quantity | 2 |
| Mounting Facility Thread Quantity Per Inch | 16 |
| Shaft Rotation Direction | CLOCKWISE |
| Features Provided | RADIO INTERFERENCE SHIELDING |
| Distance Between Mounting Facility Centers | 4.182 INCHES MINIMUM AND 4.194 INCHES MAXIMUM IN |
| Body Material | ALUMINUM ALLOY |
| Mounting Facility Thread Diameter | 0.375 INCHES NOMINAL IN |
| Impulse Quantity Per Revolution | 4 |
| Contact Set Quantity | 1 |
| Mounting Facility | SLOT AND THREADED HOLE(S) |
| Ignition Type for Which Designed | SINGLE |
| Furnished Items | IGNITION COIL |
| Performance Type | HIGH TENSION |
| Rotation Element Type | PERMANENT MAGNET ROTOR |
| Mounting Slot Width | 0.403 INCHES MINIMUM AND 0.411 INCHES MAXIMUM 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 |
|---|---|
| FMXE4B16B PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| Y69M414 | 5/9 Secondary reference Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc |
| FMXE4B16B | 3/9 Design control — primary reference U.S. Government activity |
NSN 2920-00-554-0125 is a Magneto,ignition, manufactured by Fairbanks Morse, Llc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-554-0125 has 1 manufacturer part number on file: FMXE4B16B (Fairbanks Morse, Llc).
Key specifications for FMXE4B16B: Mounting Standard Controlling Agency: SAE; Mounting Facility Quantity: 2; Mounting Slot Length: 1.137 INCHES NOMINAL IN; Mounting Method: FLANGE. 20 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.