The Electron Tube, cataloged under National Stock Number 5960-00-181-0452, 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 Penta Financial, Inc. Dba Penta Laboratories. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-181-0452 |
| Primary Part Number | 8933 |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Penta Financial, Inc. Dba Penta Laboratories |
| Status | ACTIVE |
| Tube Type | TRIODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8933 | Penta Financial, Inc. Dba Penta Laboratories (USA) |
| ML8538A | Raytheon Company Dba Raytheon Co (USA) |
| 8933 | Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations (USA) |
| ML8538B | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 910633-1 | 3/2 Design control — primary reference U.S. Government activity |
| Y564 | 5/2 Secondary reference U.S. Government activity |
| ML8538B | 5/9 Secondary reference Raytheon Company Div Corp |
| ML8538A | 5/9 Secondary reference Raytheon Company Div Corp |
| 8933Y564 | 5/9 Secondary reference Varian Associates Inc |
NSN 5960-00-181-0452 is a Electron Tube, manufactured by Penta Financial, Inc. Dba Penta Laboratories, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-181-0452 has 4 manufacturer part numbers on file: 8933 (Penta Financial, Inc. Dba Penta Laboratories), ML8538A (Raytheon Company Dba Raytheon Co), 8933 (Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations), ML8538B (Raytheon Company Dba Raytheon Co).
3 possible matches (shared part number, not a government interchangeability claim): 5325-00-588-6162, 5955-01-028-6721, 5342-01-254-8902. Verify interchangeability with system specifications before substitution.
Key specifications for 8933: Tube Type: TRIODE; Special Features: ENVELOPE MATERIAL: CERAMIC AND METAL. 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.
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.