The Sensing Element,fire Detector Sy, cataloged under National Stock Number 6340-01-642-8773, 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 Kidde Technologies, Inc Div Kidde Aerospace and Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6340-01-642-8773 |
| Primary Part Number | 04-90020-041N |
| Item Name | Sensing Element,fire Detector Sy |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Manufacturer | Kidde Technologies, Inc Div Kidde Aerospace and Defense |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 04-90020-041N PRIMARY | Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA) |
| 04-90020-041N | Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA) |
| 2GDV00038-0002 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
NSN 6340-01-642-8773 is a Sensing Element,fire Detector Sy, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
NSN 6340-01-642-8773 has 3 manufacturer part numbers on file: 04-90020-041N (Kidde Technologies, Inc Div Kidde Aerospace and Defense), 04-90020-041N (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems), 2GDV00038-0002 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for 04-90020-041N: Criticality Code Justification: FEAT; Special Features: LENGTH 41 INCHES, ALARM SETTING 460 DEGREES FAHRENHEIT IN; Part Name Assigned by Controlling Agency: SENSING ELEMENT LUG END; End Item Identification: F-35. 1 specification is 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.
NSN 6340-01-642-8773 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.