The Conversion Control, cataloged under National Stock Number 5840-00-677-7977, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Raytheon Company Div Rmd Strategic. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Conversion Control |
| FSC / FSG | 5840 — Radar Equipment, Except Airborne (FSG 58) |
| Manufacturers | Raytheon Company Div Rmd Strategic (CAGE 05869) |
| Parameter | Value |
|---|---|
| NSN | 5840-00-677-7977 |
| Primary Part Number | 531921 |
| Item Name | Conversion Control |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 531921 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 531921 | 3/2 Design control — primary reference U.S. Government activity |
| SCDL380061 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5840-00-677-7977 is a Conversion Control, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-00-677-7977 has 1 manufacturer part number on file: 531921 (Raytheon Company Div Rmd Strategic).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-371-5405. 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 5840-00-677-7977 has DEMIL Code C. 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.