The Horn Button,vehicle, cataloged under National Stock Number 2530-01-438-7590, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Immi Vehicle Improvement Products, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-438-7590 |
| Primary Part Number | HB9CK |
| Item Name | Horn Button,vehicle |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Immi Vehicle Improvement Products, Inc. |
| Status | ACTIVE |
| Overall Diameter | 81.300 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 |
|---|---|
| HB9CK PRIMARY | Immi Vehicle Improvement Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HB8CK | 5/9 Secondary reference Immi Vehicle Improvement Products, Inc. |
| 2824608 | 3/2 Design control — primary reference U.S. Government activity |
| 2788527 | 5/9 Secondary reference U.S. Government activity |
NSN 2530-01-438-7590 is a Horn Button,vehicle, manufactured by Immi Vehicle Improvement Products, Inc., classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-438-7590 has 1 manufacturer part number on file: HB9CK (Immi Vehicle Improvement Products, Inc.).
Key specifications for HB9CK: Overall Diameter: 81.300 INCHES NOMINAL IN; Overall Width: 16.800 INCHES NOMINAL IN; End Item Identification: 3930-01-378-7497. 1 specification is 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.