The Switch Warning, cataloged under National Stock Number 6340-00-452-6255, is classified within Federal Supply Class 6340 (Aircraft Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Honeywell Aerospace Yeovil Div Aerospace -Yeovil. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Switch Warning |
| FSC / FSG | 6340 — Aircraft Alarm and Signal Systems (FSG 63) |
| Manufacturers | Aviation & Defence Spares Limited (CAGE KD4S1); Honeywell Aerospace Yeovil Div Aerospace -Yeovil (CAGE U1605) |
| Parameter | Value |
|---|---|
| NSN | 6340-00-452-6255 |
| Primary Part Number | 4102001000 |
| Item Name | Switch Warning |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Manufacturer | Honeywell Aerospace Yeovil Div Aerospace -Yeovil |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4102001000 | Aviation & Defence Spares Limited (GBR) |
| 4102001000 PRIMARY | Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR) |
| Reference | Meaning |
|---|---|
| 4102001001 | 5/9 Secondary reference Honeywell Aerospace Yeovil Div Aerospace -Yeovil |
| 4102-001-001 | 5/9 Secondary reference Honeywell Aerospace Yeovil Div Aerospace -Yeovil |
NSN 6340-00-452-6255 is a Switch Warning, manufactured by Honeywell Aerospace Yeovil Div Aerospace -Yeovil, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
NSN 6340-00-452-6255 has 2 manufacturer part numbers on file: 4102001000 (Aviation & Defence Spares Limited), 4102001000 (Honeywell Aerospace Yeovil Div Aerospace -Yeovil).
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.