The Light,indicator, cataloged under National Stock Number 6340-01-651-5646, is classified within Federal Supply Class 6340 (Aircraft Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Light,indicator |
| FSC / FSG | 6340 — Aircraft Alarm and Signal Systems (FSG 63) |
| Parameter | Value |
|---|---|
| NSN | 6340-01-651-5646 |
| Item Name | Light,indicator |
| 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 |
|---|---|
| 249-4168-3734-504F | 3/2 Design control — primary reference U.S. Government activity |
| JSFQ36-1 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFQ36 | D/9 Drawing number reference only U.S. Government activity |
| 249-4168-3734-504 | 5/9 Secondary reference U.S. Government activity |
NSN 6340-01-651-5646 is a Light,indicator, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6210-01-654-2572. Verify interchangeability with system specifications before substitution.
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.