The Modulator Assembly,ignition, cataloged under National Stock Number 2920-01-211-4616, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Brp Us Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-01-211-4616 |
| Primary Part Number | 581933 |
| Item Name | Modulator Assembly,ignition |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| General Characteristics Item Description | RECTANGULAR SHAPED; TWO UNTHREADED MOUNTING HOLES; TWO ELECTRICAL LEADS ON ONE SIDE,BOTH LEADS TERMINATED WITH MALE PLUGS; TWO ELECTRICAL LEADS ON OTHER SIDE,ONE LEAD TERMINATED WITH A FEMALE SOCKET,OTHER END TERMINATED WITH ATERMINAL LUG WITH HOLE |
| 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 |
|---|---|
| 581933 | Brp Us Inc (USA) |
| 581935 | Brp Us Inc (USA) |
| 582556 | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 582556 | 3/9 Design control — primary reference U.S. Government activity |
| 581933 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 581933 | 5/9 Secondary reference U.S. Government activity |
| 581933 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 581935 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 582556 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 582556 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
NSN 2920-01-211-4616 is a Modulator Assembly,ignition, manufactured by Brp Us Inc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-211-4616 has 3 manufacturer part numbers on file: 581933 (Brp Us Inc), 581935 (Brp Us Inc), 582556 (Brp Us Inc).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-479-1674. Verify interchangeability with system specifications before substitution.
Key specifications for 581933: General Characteristics Item Description: RECTANGULAR SHAPED; TWO UNTHREADED MOUNTING HOLES; TWO ELECTRICAL LEADS ON ONE SIDE,BOTH LEADS TERMINATED WITH MALE PLUGS; TWO ELECTRICAL LEADS ON OTHER SIDE,ONE LEAD TERMINATED WITH A FEMALE SOCKET,OTHER END TERMINATED WITH ATERMINAL LUG WITH HOLE; End Item Identification: 2805-01-017-0842. 1 specification is 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.