The Horn,signal, cataloged under National Stock Number 6350-01-275-3686, 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 Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc. Government technical data includes 8 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. 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 | 6350-01-275-3686 |
| Primary Part Number | KB-20 |
| Item Name | Horn,signal |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc |
| Status | ACTIVE |
| Loudness Level in Decibels | 131 DB AT 1 METER DB |
| Mounting Hole/stud Quantity | 4 |
| Sound Projector Quantity | 1 |
| Overall Diameter | 15.500 INCHES NOMINAL IN |
| Sound Projector Type | TRUMPET |
| Mounting Bracket | PROVIDED |
| Material | ALUMINUM HOUSING |
| Hole Diameter | 0.438 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 |
| Part Number | Manufacturer |
|---|---|
| KB-20 PRIMARY | Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc (USA) |
NSN 6350-01-275-3686 is a Horn,signal, manufactured by Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-275-3686 has 1 manufacturer part number on file: KB-20 (Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-302-4236. Verify interchangeability with system specifications before substitution.
Key specifications for KB-20: Overall Height: 24.188 INCHES NOMINAL IN; Loudness Level in Decibels: 131 DB AT 1 METER DB; Mounting Hole/stud Quantity: 4; Sound Projector Quantity: 1. 8 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.