PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8121Electron Tube

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 5960-00-722-1044 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-722-1044 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-722-1044. Primary manufacturer part number: 8121.
Features
  • Electron Tube — FSC 5960
  • Tube Type: PENTODE
  • Nondefinitive Spec/std Data: 8121 TYPE
  • 9 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Electron Tube, cataloged under National Stock Number 5960-00-722-1044, is classified within Federal Supply Class 5960 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5960-00-722-1044
Primary Part Number8121
Item NameElectron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusACTIVE
Tube TypePENTODE
Nondefinitive Spec/std Data8121 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-052-8649 INTERCHANGEABLE
Connector,plug,electrical
5961-00-058-1178 INTERCHANGEABLE
Transistor
5945-00-189-20948121 INTERCHANGEABLE
Relay,electromagnetic
Elkay Mfg Co Water Cooler Div
5950-00-198-8511672-2090-00 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6210-00-295-18378-0121-200 INTERCHANGEABLE
Lens,light
Dialight Corporation
5325-00-454-638481-21 INTERCHANGEABLE
Grommet,nonmetallic
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
4730-00-483-46870041130-012 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
3110-00-540-4662 INTERCHANGEABLE
Bearing,ball,annular
4820-00-582-1418 INTERCHANGEABLE
Valve,air
6625-00-702-7235462636-1 INTERCHANGEABLE
Meter,arbitrary Scale
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
8121 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
8121 Electronic Industries Association
10652599 Us Army Aviation and Missile Command (USA)
256-0145-000 Alcatel-Lucent Holdings Inc. (USA)
RELEASE3469 Electronic Industries Association
8121 Rca Corp New Products Div (USA)
8121 Communications & Power Industries International Inc. Zweigniederlassung Ismaning (DEU)
8121 Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations (USA)
256-0145-00 Alcatel-Lucent Holdings Inc. (USA)
Related Parts
5935-00-052-8649INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5961-00-058-1178INTERCHANGEABLE
TRANSISTOR
5945-00-189-2094INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
8121
5950-00-198-8511INTERCHANGEABLE
TRANSFORMER,POWER
672-2090-00
6210-00-295-1837INTERCHANGEABLE
LENS,LIGHT
8-0121-200
5325-00-454-6384INTERCHANGEABLE
GROMMET,NONMETALLIC
81-21
4730-00-483-4687INTERCHANGEABLE
ELBOW,PIPE
0041130-012
3110-00-540-4662INTERCHANGEABLE
BEARING,BALL,ANNULAR
4820-00-582-1418INTERCHANGEABLE
VALVE,AIR
6625-00-702-7235INTERCHANGEABLE
METER,ARBITRARY SCALE
462636-1
5960-00-904-8836INTERCHANGEABLE
ELECTRON TUBE
5960-00-928-8365INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 5960-00-722-1044?

NSN 5960-00-722-1044 is a Electron Tube, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 5960 (No Item Name Available). Status: active.

What are the part numbers for NSN 5960-00-722-1044?

NSN 5960-00-722-1044 has 9 cross-referenced part numbers: 8121 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 8121 (Electronic Industries Association), 10652599 (Us Army Aviation and Missile Command), 256-0145-000 (Alcatel-Lucent Holdings Inc.), RELEASE3469 (Electronic Industries Association) and 4 more.

What NSN replaces 5960-00-722-1044?

There are 12 known substitutes for 5960-00-722-1044: 5935-00-052-8649, 5961-00-058-1178, 5945-00-189-2094 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8121?

Key specifications for 8121: Tube Type: PENTODE; Nondefinitive Spec/std Data: 8121 TYPE; Special Features: ENVELOPE MATERIAL :CERAMIC AND METAL. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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