The Horn,signal, cataloged under National Stock Number 6350-01-724-2197, 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 Hadley Products Corporation Div Hadley Truck Division. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Horn,signal |
| FSC / FSG | 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems (FSG 63) |
| Manufacturers | Hadley Products Corporation Div Hadley Truck Division (CAGE 55061); Volvo Group North America Llc Dba Volvo Group North America, Inc (CAGE 5NS11) |
| Parameter | Value |
|---|---|
| NSN | 6350-01-724-2197 |
| Primary Part Number | H00640-34 |
| Item Name | Horn,signal |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Hadley Products Corporation Div Hadley Truck Division |
| Status | ACTIVE |
| 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 |
|---|---|
| H00640-34 PRIMARY | Hadley Products Corporation Div Hadley Truck Division (USA) |
| 21499418 | Volvo Group North America Llc Dba Volvo Group North America, Inc (USA) |
| Reference | Meaning |
|---|---|
| WP 1445 R00314-9-2320-459 | D/9 Drawing number reference only Volvo Group North America Llc Dba Volvo Group North America, Inc |
NSN 6350-01-724-2197 is a Horn,signal, manufactured by Hadley Products Corporation Div Hadley Truck Division, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-724-2197 has 2 manufacturer part numbers on file: H00640-34 (Hadley Products Corporation Div Hadley Truck Division), 21499418 (Volvo Group North America Llc Dba Volvo Group North America, Inc).
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.