The Electron Tube, cataloged under National Stock Number 5960-01-151-4518, 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 Thomas Electronics, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-01-151-4518 |
| Primary Part Number | 1E21 |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Thomas Electronics, Inc |
| Status | ACTIVE |
| Tube Type | CATHODE RAY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1E21 | Thomas Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1E21 | 5/9 Secondary reference Thomas Electronics, Inc. Div Thomas Electronics, Nj |
| 517-1200-018-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5960-01-151-4518 is a Electron Tube, manufactured by Thomas Electronics, Inc, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-01-151-4518 has 1 manufacturer part number on file: 1E21 (Thomas Electronics, Inc).
Key specifications for 1E21: Tube Type: CATHODE RAY; Special Features: P27 TYPE PHOSPHOR; ENVELOPE MATERIAL:GLASS. 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 5960-01-151-4518 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.