The Magneto,ignition, cataloged under National Stock Number 2920-00-561-9972, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-561-9972 |
| Primary Part Number | 8329335 |
| Item Name | Magneto,ignition |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Mounting Slot Length | 1.188 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 | 4.184 INCHES MINIMUM AND 4.190 INCHES MAXIMUM IN |
| Drive Shaft Type | KEYWAY SHAFT |
| Shaft Length | 1.078 INCHES NOMINAL IN |
| Body Material | STEEL |
| Mounting Facility Thread Diameter | 0.188 INCHES NOMINAL IN |
| Impulse Quantity Per Revolution | 2 |
| Contact Set Quantity | 1 |
| Mounting Facility | SLOT AND THREADED HOLE(S) |
| Surface Treatment | PAINT |
| Spark Plug Terminal Accommodation Thread Series | UNEF |
| Spark Plug Terminal Accommodation Thread Diameter | 0.688 INCHES NOMINAL IN |
| Ignition Type for Which Designed | SINGLE |
| Performance Type | HIGH TENSION |
| Rotation Element Type | PERMANENT MAGNET ROTOR |
| Mounting Slot Width | 0.438 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 |
|---|---|
| 8329335 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2920-00-561-9972 is a Magneto,ignition, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-561-9972 has 1 manufacturer part number on file: 8329335 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8329335: Mounting Facility Quantity: 1; Mounting Slot Length: 1.188 INCHES NOMINAL IN; Mounting Method: FLANGE; Drive Connection Type: IMPULSE COUPLED. 23 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.