The Horn,signal, cataloged under National Stock Number 6350-00-224-4949, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6350-00-224-4949 |
| Primary Part Number | 900-S6504-74308 |
| Item Name | Horn,signal |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Loudness Level in Decibels | 103 DB LOUDNESS RATING AT 10 FT FT |
| Mounting Hole/stud Quantity | 2 |
| Sound Projector Quantity | 1 |
| Sound Projector Type | GRILL |
| Nondefinitive Spec/std Data | IC//H8D4 TYPE |
| Mounting Bracket | NOT PROVIDED |
| Enclosure Feature | EXPLOSION PROOF AND WATERTIGHT |
| 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 |
|---|---|
| 900-S6504-74308 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 9000-S6504-74309 | 5/2 Secondary reference U.S. Government activity |
| MIL-A-15303 | 5/9 Secondary reference U.S. Government activity |
NSN 6350-00-224-4949 is a Horn,signal, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-00-224-4949 has 1 manufacturer part number on file: 900-S6504-74308 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 6350-00-224-4950. Verify interchangeability with system specifications before substitution.
Key specifications for 900-S6504-74308: Loudness Level in Decibels: 103 DB LOUDNESS RATING AT 10 FT FT; Mounting Hole/stud Quantity: 2; Sound Projector Quantity: 1; Sound Projector Type: GRILL. 7 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.