The Sensing Element,fir, cataloged under National Stock Number 6340-01-717-9625, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6340-01-717-9625 |
| Primary Part Number | 3951-81 |
| Item Name | Sensing Element,fir |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 3951-81 PRIMARY | Meggitt Safety Systems Inc (USA) |
NSN 6340-01-717-9625 is a Sensing Element,fir, manufactured by Meggitt Safety Systems Inc, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
NSN 6340-01-717-9625 has 1 manufacturer part number on file: 3951-81 (Meggitt Safety Systems Inc).
Key specifications for 3951-81: Part Name Assigned by Controlling Agency: SENSING ELEMENT,FIR. 0 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 6340-01-717-9625 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.