FSC: 5960 — Electron Tubes and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
General Description
The Electron Tube, cataloged under National Stock Number 5960-00-491-2663, is classified within Federal Supply Class 5960 (Electron Tubes and Associated Hardware) of the Electrical and Electronic Equipment Components group. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5960-00-491-2663
Item Name
Electron Tube
FSC / FSG
5960 / 59 — Electron Tubes and Associated Hardware
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-211-1814112105POSSIBLE MATCH
ELBOW,TUBE TO HOSE
Possible match (shared part number)Cummins Inc.
5998-01-374-0120POSSIBLE MATCH
PRINTED WIRING BOARD
Possible match (shared part number)
3120-01-415-9126112105POSSIBLE MATCH
BEARING,WASHER,THRUST
Possible match (shared part number)Triumph Engine Control Systems Llc
5310-01-421-0695112105POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Textron Aviation Inc
2040-01-531-7336112105POSSIBLE MATCH
COVER,BOAT
Possible match (shared part number)Shield Technologies Corp Div Shield Technologies Corporation
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
WJ2019-17
5/9Secondary reference
Watkins-Johnson Co Stewart Div
112-105
3/9Design control — primary reference
U.S. Government activity
2019-17
5/9Secondary reference
Watkins-Johnson Co Stewart Div
2019-17
5/9Secondary reference
Watkins-Johnson Co
WJ2019-17
5/9Secondary reference
Watkins-Johnson Co
Related Parts
4730-01-211-1814POSSIBLE MATCH
ELBOW,TUBE TO HOSE
112105
5998-01-374-0120POSSIBLE MATCH
PRINTED WIRING BOARD
3120-01-415-9126POSSIBLE MATCH
BEARING,WASHER,THRUST
112105
5310-01-421-0695POSSIBLE MATCH
WASHER,FLAT
112105
2040-01-531-7336POSSIBLE MATCH
COVER,BOAT
112105
Frequently Asked Questions
What is NSN 5960-00-491-2663?
NSN 5960-00-491-2663 is a Electron Tube, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
What NSN replaces 5960-00-491-2663?
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-211-1814, 5998-01-374-0120, 3120-01-415-9126. Verify interchangeability with system specifications before substitution.
What are the specifications of 5960-00-491-2663?
Key specifications for 5960-00-491-2663: Special Features: ENVELOPE MATERIAL: METAL; MFG CLASS: OSCILLATOR. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5960-00-491-2663 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.