The Horn,signal, cataloged under National Stock Number 6350-00-131-6579, is classified within Federal Supply Class 6350 (Miscellaneous Alarm, Signal, and Security Detection Systems) of the Alarm, Signal, and Security Detection Systems group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6350-00-131-6579 |
| Item Name | Horn,signal |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Status | ACTIVE |
| Loudness Level in Decibels | 103 DB AT 10 FT FT |
| Mounting Hole/stud Quantity | 3 |
| Terminal Quantity | 3 |
| Terminal Type | SCREW |
| Sound Projector Quantity | 1 |
| Sound Projector Type | GRILL |
| Nondefinitive Spec/std Data | IC/H8D3 TYPE |
| Mounting Bracket | PROVIDED |
| Enclosure Feature | WATERTIGHT |
| Material | ALUMINUM HOUSING |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ICH8D3 | 5/9 Secondary reference L3 Technologies, Inc. |
| MIL-DTL-15303 | 4/1 Identification reference U.S. Government activity |
| ICH8D3 | 5/9 Secondary reference U.S. Government activity |
| M15303-IC/H8D3 | 2/2 Government specification standardization U.S. Government activity |
| MIL-A-15303 | 5/9 Secondary reference U.S. Government activity |
| ICH8D3 | 5/1 Secondary reference U.S. Government activity |
| 9000-S6504-74308 | 5/1 Secondary reference U.S. Government activity |
| 9000S6504-74308SYMB0L2628 | 5/1 Secondary reference U.S. Government activity |
NSN 6350-00-131-6579 is a Horn,signal, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6350-00-224-4943. Verify interchangeability with system specifications before substitution.
Key specifications for 6350-00-131-6579: Overall Height: 7.312 INCHES NOMINAL IN; Loudness Level in Decibels: 103 DB AT 10 FT FT; Mounting Hole/stud Quantity: 3; Terminal Quantity: 3. 11 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.