The Horn,signal, cataloged under National Stock Number 6350-01-028-9405, 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 Leslie Controls, Inc. Dba Leslie Controls Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6350-01-028-9405 |
| Primary Part Number | SM-55 |
| Item Name | Horn,signal |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Pressure Rating | 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Projector Flare Maximum Outside Diameter | 5.438 INCHES IN |
| Projector Quantity | 1 |
| Sound Unit Type | SINGLE |
| Projector Overall Length | 6.938 INCHES NOMINAL IN |
| Projector Type | STRAIGHT |
| Operation Method | AIR |
| Hole Diameter | 0.562 INCHES NOMINAL IN |
| Sound Signal Direction Quantity | 1 |
| 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 |
|---|---|
| SM-55 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 6350-01-028-9405 is a Horn,signal, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-028-9405 has 1 manufacturer part number on file: SM-55 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for SM-55: Overall Height: 8.125 INCHES NOMINAL IN; Pressure Rating: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Projector Flare Maximum Outside Diameter: 5.438 INCHES IN; Projector Quantity: 1. 9 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.