The Electron Tube, cataloged under National Stock Number 5960-00-177-2937, 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 Unisys Corporation Dba Unisys Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-177-2937 |
| Primary Part Number | B5440 |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Unisys Corporation Dba Unisys Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| B5440 PRIMARY | Unisys Corporation Dba Unisys Corp (USA) |
| Reference | Meaning |
|---|---|
| B4617 | 5/9 Secondary reference Lau Technologies Div N/a |
NSN 5960-00-177-2937 is a Electron Tube, manufactured by Unisys Corporation Dba Unisys Corp, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-177-2937 has 1 manufacturer part number on file: B5440 (Unisys Corporation Dba Unisys Corp).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-081-2624. Verify interchangeability with system specifications before substitution.
Key specifications for B5440: Special Features: SUBJECT NSN CANCELLED TO USE NSN 5960-00-158-4841. 0 specifications are 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.