The Alarm-Monitor, cataloged under National Stock Number 6340-01-478-3302, is classified within Federal Supply Class 6340 (Aircraft Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6340-01-478-3302 |
| Item Name | Alarm-Monitor |
| 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 |
| Reference | Meaning |
|---|---|
| 816-1214-001 | 3/2 Design control — primary reference U.S. Government activity |
| 816-1214-001 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 6340-01-478-3302 is a Alarm-Monitor, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
Key specifications for 6340-01-478-3302: Special Features: A SMALL BOX WITH A SINGLE CONNECTOR WITH A CIRCUIT BREAKER THAT ACTS AS A CHIME CIRCUIT TO TELL PILOT THAT HIGH FREQUENCY CALL HAS COME IN; Part Name Assigned by Controlling Agency: HF CALL LDM ASSY; End Item Identification: C-135 AIRCRAFT. 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.
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.