The Armature,ignition, cataloged under National Stock Number 2920-01-003-5473, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Trw Inc Replacement Parts Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2920-01-003-5473 |
| Primary Part Number | AL405 |
| Item Name | Armature,ignition |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Trw Inc Replacement Parts Div |
| 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 |
|---|---|
| AL405 | Trw Inc Replacement Parts Div (USA) |
| Reference | Meaning |
|---|---|
| 3656017 | C/1 Advisory reference — outside the item-of-supply concept Chrysler Corp Hamtramck Assembly |
| MP800 | 5/9 Secondary reference Echlin Inc |
| 3656017 | 3/2 Design control — primary reference U.S. Government activity |
| 3656017 | C/1 Advisory reference — outside the item-of-supply concept Chrysler Realty Company Llc Dba Daimler Chrysler |
| AL405 | 5/9 Secondary reference C E Niehoff & Co |
| CE-2 | 5/9 Secondary reference U.S. Government activity |
| CE-2 | 5/9 Secondary reference Sorensen Industries Inc Sub of Gulf and Western Mfg Co |
NSN 2920-01-003-5473 is a Armature,ignition, manufactured by Trw Inc Replacement Parts Div, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-003-5473 has 1 manufacturer part number on file: AL405 (Trw Inc Replacement Parts Div).
2 possible matches (shared part number, not a government interchangeability claim): 5110-01-475-2144, 7320-01-620-2865. Verify interchangeability with system specifications before substitution.
Key specifications for AL405: End Item Identification: 2320-00-579-8942,TRUCK,CARGO. 0 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.