The Parts Kit,horn Button Switch, cataloged under National Stock Number 2590-01-021-4956, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-021-4956 |
| Primary Part Number | 1810590 |
| Item Name | Parts Kit,horn Button Switch |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Component Quantity | 16 |
| Supply Items and Quantities | BUTTON,HORN,1 EA; SPRING,HORN BUTTON,1 EA; PLATE,INSULATING,1 EA; PLATE ASSEMBLY,HORN BUTTON,1 EA; SPRING,CONTACT,1EA; SEAT,CONTACT SPRING,1 EA; SPRING,DIAPHRAGM CONTACT,1 EA; CLIP,RETAINING,1 EA; CLIP,RETAINING,1 EA; BUTTON,CONTACT SPRING,1 EA; SCREW,SELF TAPPING,6 EA; SPRING,DIAPHRGM,1 EA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1810590 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1810590 | 5/9 Secondary reference Clark Equipment Co |
NSN 2590-01-021-4956 is a Parts Kit,horn Button Switch, manufactured by Dana Off Highway Products, Llc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-021-4956 has 1 manufacturer part number on file: 1810590 (Dana Off Highway Products, Llc).
Key specifications for 1810590: Component Quantity: 16; Supply Items and Quantities: BUTTON,HORN,1 EA; SPRING,HORN BUTTON,1 EA; PLATE,INSULATING,1 EA; PLATE ASSEMBLY,HORN BUTTON,1 EA; SPRING,CONTACT,1EA; SEAT,CONTACT SPRING,1 EA; SPRING,DIAPHRAGM CONTACT,1 EA; CLIP,RETAINING,1 EA; CLIP,RETAINING,1 EA; BUTTON,CONTACT SPRING,1 EA; SCREW,SELF TAPPING,6 EA; SPRING,DIAPHRGM,1 EA. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.