The Horn,signal, cataloged under National Stock Number 6350-01-411-6576, is classified within Federal Supply Class 6350 (Miscellaneous Alarm, Signal, and Security Detection Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Federal Signal Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6350-01-411-6576 |
| Primary Part Number | 450EWB-NV |
| Item Name | Horn,signal |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Federal Signal Corporation |
| Status | ACTIVE |
| Projector Flare Maximum Outside Diameter | 4.375 INCHES IN |
| Projector Quantity | 1 |
| Sound Unit Type | MULTIPLE |
| Projector Overall Length | 2.000 INCHES NOMINAL IN |
| Projector Type | STRAIGHT |
| Individual Encasement Feature | INCLUDED |
| Discharge Connection Type | FLANGED |
| Mounting Type | FLANGE MOUNTED |
| Operation Method | ELECTRICAL |
| Sound Signal Direction Quantity | 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 450EWB-NV PRIMARY | Federal Signal Corporation (USA) |
| Reference | Meaning |
|---|---|
| 450-024-31WB | 5/9 Secondary reference Federal Signal Corporation |
NSN 6350-01-411-6576 is a Horn,signal, manufactured by Federal Signal Corporation, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-411-6576 has 1 manufacturer part number on file: 450EWB-NV (Federal Signal Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6350-01-523-3682. Verify interchangeability with system specifications before substitution.
Key specifications for 450EWB-NV: Projector Flare Maximum Outside Diameter: 4.375 INCHES IN; Projector Quantity: 1; Sound Unit Type: MULTIPLE; Projector Overall Length: 2.000 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.