The Detector Stage, cataloged under National Stock Number 5840-00-409-8140, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Detector Stage |
| FSC / FSG | 5840 — Radar Equipment, Except Airborne (FSG 58) |
| Parameter | Value |
|---|---|
| NSN | 5840-00-409-8140 |
| Item Name | Detector Stage |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 30006-1 | 3/9 Design control — primary reference Wittek Companies Intl Inc |
| 30006-1 | 5/9 Secondary reference Washington Institute of Technology Inc |
NSN 5840-00-409-8140 is a Detector Stage, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-024-9803, 5365-01-522-7259. 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.
NSN 5840-00-409-8140 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.