The Sensing Element,fire Detector Sy, cataloged under National Stock Number 6340-01-125-8940, 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 Meggitt Safety Systems Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6340-01-125-8940 |
| Primary Part Number | 3951-01-1000-475-10 |
| Item Name | Sensing Element,fire Detector Sy |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| Termination Type | CONNECTOR PLUG |
| Termination Quantity | 1 |
| Fire Alarm Minimum Temp Setting | 475.0 FAHRENHEIT DEGF |
| Temp Setting Tolerance | 25.0 FAHRENHEIT NOMINAL DEGF |
| Termination Controlling Agency | SYSTRON-DONNER CORP SAFETY SYSTEMS DIV |
| Element Length | 9.700 FEET NOMINAL FT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 3951-01-1000-475-10 PRIMARY | Meggitt Safety Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 10150142 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 6340-01-125-8940 is a Sensing Element,fire Detector Sy, manufactured by Meggitt Safety Systems Inc, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
NSN 6340-01-125-8940 has 1 manufacturer part number on file: 3951-01-1000-475-10 (Meggitt Safety Systems Inc).
Key specifications for 3951-01-1000-475-10: Termination Type: CONNECTOR PLUG; Termination Quantity: 1; Fire Alarm Minimum Temp Setting: 475.0 FAHRENHEIT DEGF; Temp Setting Tolerance: 25.0 FAHRENHEIT NOMINAL DEGF. 6 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.
NSN 6340-01-125-8940 has DEMIL Code Q. 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.