The Sensing Element,fire Detector Sy, cataloged under National Stock Number 6340-01-185-0003, 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 The Boeing Company Div Defense. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6340-01-185-0003 |
| Primary Part Number | 75B500057-211 |
| Item Name | Sensing Element,fire Detector Sy |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Termination Quantity | 2 |
| Fire Alarm Minimum Temp Setting | 22.0 FAHRENHEIT DEGF |
| Element Length | 7.416 FEET NOMINAL FT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 70051200-3 | Meggitt Safety Systems Inc (USA) |
| 75B500057-211 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 70051200-3 | 5/9 Secondary reference Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County |
| 51224-122 | C/1 Advisory reference — outside the item-of-supply concept L'hotellier SAS |
| 51224-122 | 5/9 Secondary reference Kidde Graviner Ltd |
NSN 6340-01-185-0003 is a Sensing Element,fire Detector Sy, manufactured by The Boeing Company Div Defense, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
NSN 6340-01-185-0003 has 2 manufacturer part numbers on file: 70051200-3 (Meggitt Safety Systems Inc), 75B500057-211 (The Boeing Company Div Defense).
Key specifications for 75B500057-211: Termination Quantity: 2; Fire Alarm Minimum Temp Setting: 22.0 FAHRENHEIT DEGF; Element Length: 7.416 FEET NOMINAL FT. 3 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 6340-01-185-0003 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.