The Annunciator, cataloged under National Stock Number 6340-01-421-6574, is classified within Federal Supply Class 6340 (Aircraft Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. Current acquisition status: Active.
This page shows the U.S. Government catalog record for NSN 6340-01-421-6574 as we hold it. The record gives the stock number, the item name (Annunciator), its supply class (FSC 6340, Aircraft Alarm and Signal Systems) and its status (active). It lists no specifications, no manufacturer and no manufacturer part numbers. We show what the record contains and nothing more. If you know this part by a manufacturer's part number, search for that number instead.
| Item Name | Annunciator |
| FSC / FSG | 6340 — Aircraft Alarm and Signal Systems (FSG 63) |
| Parameter | Value |
|---|---|
| NSN | 6340-01-421-6574 |
| Item Name | Annunciator |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 6340-01-421-6574 is a Annunciator, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
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.