The Diaphragm,horn, cataloged under National Stock Number 6350-01-338-8418, 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 Radio Holland Usa Inc Dba Radio-Holland Usa. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6350-01-338-8418 |
| Primary Part Number | 904-020 |
| Item Name | Diaphragm,horn |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Radio Holland Usa Inc Dba Radio-Holland Usa |
| 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 |
|---|---|
| 904-020 PRIMARY | Radio Holland Usa Inc Dba Radio-Holland Usa (USA) |
| Reference | Meaning |
|---|---|
| 904020-21-22 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 6350-01-338-8418 is a Diaphragm,horn, manufactured by Radio Holland Usa Inc Dba Radio-Holland Usa, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-338-8418 has 1 manufacturer part number on file: 904-020 (Radio Holland Usa Inc Dba Radio-Holland Usa).
1 possible match (shared part number, not a government interchangeability claim): 9905-01-672-0110. Verify interchangeability with system specifications before substitution.
Key specifications for 904-020: Special Features: METAL;CORROSION RESISTANT;170.0 MM LG;150.0 MM W;95.0 MM H;24 VDC;300 HZ VDC. 0 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.