The Electron Tube, cataloged under National Stock Number 5960-01-386-9583, is classified within Federal Supply Class 5960 (Electron Tubes and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Richardson Electronics, Ltd.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Electron Tube |
| FSC / FSG | 5960 — Electron Tubes and Associated Hardware (FSG 59) |
| Manufacturers | Richardson Electronics, Ltd. (CAGE 5L804) |
| Parameter | Value |
|---|---|
| NSN | 5960-01-386-9583 |
| Primary Part Number | MSF1421B |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Richardson Electronics, Ltd. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| MSF1421B | Richardson Electronics, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| MSF1421B | 5/1 Secondary reference Raytheon Marine Co Hq |
| 5VMAA00049 | 3/9 Design control — primary reference Raytheon Marine Co Hq |
| 5VMAA00049 | 5/9 Secondary reference Japan Radio Co. Ltd |
NSN 5960-01-386-9583 is a Electron Tube, manufactured by Richardson Electronics, Ltd., classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-01-386-9583 has 1 manufacturer part number on file: MSF1421B (Richardson Electronics, Ltd.).
Possible hazard — SDS may be required (DLA HMIC P). 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.