The Electron Tube, cataloged under National Stock Number 5960-00-140-1600, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-140-1600 |
| Primary Part Number | QKS1721 |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| QKS1721 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| L-4764 | Litton Precision Products International Inc. (DEU) |
| SFD251H | Communications & Power Industries International Inc. Zweigniederlassung Ismaning (DEU) |
| Reference | Meaning |
|---|---|
| 711444-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| SFD-251H | 5/9 Secondary reference Varian Gmbh Semiconductor Equipment Associates Gmbh |
| QKS1721 | 5/9 Secondary reference Raytheon Company Div Corp |
| SFD251H | 3/2 Design control — primary reference U.S. Government activity |
| L-4764 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5960-00-140-1600 is a Electron Tube, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-140-1600 has 3 manufacturer part numbers on file: QKS1721 (Raytheon Company Dba Raytheon Co), L-4764 (Litton Precision Products International Inc.), SFD251H (Communications & Power Industries International Inc. Zweigniederlassung Ismaning).
Key specifications for QKS1721: End Item Identification: AIRCRAFT MODEL S-3. 0 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5960-00-140-1600 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.