The Coil Assembly,alternator, cataloged under National Stock Number 2920-01-177-8564, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Ambac International Corporation Div Ambac International. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coil Assembly,alternator |
| FSC / FSG | 2920 — Engine Electrical System Components, Nonaircraft (FSG 29) |
| Manufacturers | Ambac International Corporation Div Ambac International (CAGE 01843) |
| Parameter | Value |
|---|---|
| NSN | 2920-01-177-8564 |
| Primary Part Number | 1124210003 |
| Item Name | Coil Assembly,alternator |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | ACTIVE |
| 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 |
|---|---|
| 1124210003 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
| Reference | Meaning |
|---|---|
| 3T1885 | D/9 Drawing number reference only Caterpillar Inc Div Caterpillar Defense |
NSN 2920-01-177-8564 is a Coil Assembly,alternator, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-177-8564 has 1 manufacturer part number on file: 1124210003 (Ambac International Corporation Div Ambac International).
1 possible match (shared part number, not a government interchangeability claim): 2920-01-187-7193. Verify interchangeability with system specifications before substitution.
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.