The Distributor,ignition System, cataloged under National Stock Number 2920-00-371-4845, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-371-4845 |
| Primary Part Number | 8327991 |
| Item Name | Distributor,ignition System |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Maximum Advance Deg | 22.0 |
| Spark Advance Control Method | VACUUM |
| Mounting Method | CLAMP |
| Shaft Rotation Direction | COUNTERCLOCKWISE |
| Drive Shaft Type | TONGUE |
| Shaft Length | 6.264 INCHES NOMINAL IN |
| Impulse Quantity Per Revolution | 4 |
| Ignition Type for Which Designed | SINGLE |
| Primary Terminal Accommodation Type | SCREW |
| 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 |
|---|---|
| 8327991 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| GPW12100 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| A1244 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| A1244 | 5/9 Secondary reference General Motors Corp |
NSN 2920-00-371-4845 is a Distributor,ignition System, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-371-4845 has 1 manufacturer part number on file: 8327991 (U S Army Tank Automotive Command Amsta-Im-Mm).
5 possible matches (shared part number, not a government interchangeability claim): 4330-00-376-1555, 8455-00-568-9051, 8455-01-528-9126. Verify interchangeability with system specifications before substitution.
Key specifications for 8327991: Maximum Advance Deg: 22.0; Spark Advance Control Method: VACUUM; Mounting Method: CLAMP; Shaft Rotation Direction: COUNTERCLOCKWISE. 9 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.