The Magneto,ignition, cataloged under National Stock Number 2920-00-222-8533, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-222-8533 |
| Primary Part Number | MJK4-2-180D311 |
| Item Name | Magneto,ignition |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | United Technologies Corp Electro Systems Inc |
| Status | ACTIVE |
| Mounting Standard Controlling Agency | SAE |
| Mounting Method | FLANGE |
| Drive Connection Type | IMPULSE COUPLED |
| Pole Quantity | 2 |
| Shaft Rotation Direction | COUNTERCLOCKWISE |
| Body Material | ALUMINUM |
| Impulse Quantity Per Revolution | 2 |
| Contact Set Quantity | 1 |
| Ignition Type for Which Designed | SINGLE |
| Furnished Items | DISTRIBUTOR |
| Performance Type | HIGH TENSION |
| Rotation Element Type | PERMANENT MAGNET ROTOR |
| 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 |
|---|---|
| MJK4-2-180D311 PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| MJK4-2-180C311 | United Technologies Corp Electro Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| MJK4-2-180C311 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| XH-2837S | 5/9 Secondary reference Wico-Prestolite Co the Div of Eltra Corp |
| K2311Y | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| 6B2756 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| IPD6B2756 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| IPD3F8574 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| IPD 4S6468 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| IPD5F7494 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| 5F7494 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 7F9934 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 3F8574 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2920-00-222-8533 is a Magneto,ignition, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-222-8533 has 2 manufacturer part numbers on file: MJK4-2-180D311 (United Technologies Corp Electro Systems Inc), MJK4-2-180C311 (United Technologies Corp Electro Systems Inc).
Key specifications for MJK4-2-180D311: Mounting Standard Controlling Agency: SAE; Mounting Method: FLANGE; Drive Connection Type: IMPULSE COUPLED; Pole Quantity: 2. 12 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.