The Electron Tube, cataloged under National Stock Number 5960-00-809-4207, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5960-00-809-4207 |
| Primary Part Number | 1D21 |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | CANCELLED |
| Specification/standard Data | 80131-RELEASE 633 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1D21 | Raytheon Company Dba Raytheon Co (USA) |
| 1D21 | General Dynamics Mission Systems, Inc. (USA) |
| 1D21 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 1D21 | 3/9 Design control — primary reference U.S. Government activity |
| 1D21 | 5/2 Secondary reference U.S. Government activity |
| 1D21 | 5/9 Secondary reference Raytheon Company Div Corp |
| 1D21SN4 | 5/9 Secondary reference U.S. Government activity |
| RELEASE633 | 5/9 Secondary reference U.S. Government activity |
| JAN631-P1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5960-00-809-4207 is a Electron Tube, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: cancelled.
NSN 5960-00-809-4207 has 3 manufacturer part numbers on file: 1D21 (Raytheon Company Dba Raytheon Co), 1D21 (General Dynamics Mission Systems, Inc.), 1D21 (Raytheon Company).
Key specifications for 1D21: Specification/standard Data: 80131-RELEASE 633 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Special Features: ENVELOPE MATERIAL: GLASS; MFG CLASS: COLD CATHODE NEON DISCHARGE. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5960-00-809-4207 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.