The Control,alarm, cataloged under National Stock Number 6340-00-021-5853, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6340-00-021-5853 |
| Primary Part Number | 377-02803 |
| Item Name | Control,alarm |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| Maximum Overall Width | 2.875 INCHES IN |
| Inclosure Type | ENCASED |
| Case Surface Treatment | ZINC |
| Maximum Overall Length | 3.750 INCHES IN |
| Maximum Overall Height | 2.500 INCHES IN |
| Power Source | EXTERNAL |
| Maximum Voltage Rating in Volts | 28.0 DC |
| Material | STEEL CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 377-02803 PRIMARY | Meggitt Safety Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 215-27132-1 | 5/2 Secondary reference U.S. Government activity |
| 377-02803 | 5/9 Secondary reference Meggitt (new Hampshire), Inc |
NSN 6340-00-021-5853 is a Control,alarm, manufactured by Meggitt Safety Systems Inc, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
NSN 6340-00-021-5853 has 1 manufacturer part number on file: 377-02803 (Meggitt Safety Systems Inc).
Key specifications for 377-02803: Maximum Overall Width: 2.875 INCHES IN; Inclosure Type: ENCASED; Case Surface Treatment: ZINC; Maximum Overall Length: 3.750 INCHES IN. 8 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.
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.