PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4CX300AElectron Tube

Lockheed Martin Corporation Div Rms · NSN 5960-00-438-8391 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-438-8391 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-438-8391. Primary manufacturer part number: 4CX300A.
Features
  • Electron Tube — FSC 5960
  • Reference Number Differentiating Characteristics: NAVORD OD-41152
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corporation Div Rms
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Electron Tube, cataloged under National Stock Number 5960-00-438-8391, 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 Div Rms. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5960-00-438-8391
Primary Part Number4CX300A
Item NameElectron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Reference Number Differentiating CharacteristicsNAVORD OD-41152
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5960-00-082-3973 INTERCHANGEABLE
Electron Tube
5960-00-706-92244CX300A INTERCHANGEABLE
Electron Tube
Greene Tweed & Co Inc
Cross-Reference Index
Part NumberManufacturer
4CX300A Lockheed Martin Corporation Div Rms (USA)
Related Parts
5960-00-082-3973INTERCHANGEABLE
ELECTRON TUBE
5960-00-706-9224INTERCHANGEABLE
ELECTRON TUBE
4CX300A

Frequently Asked Questions

What is NSN 5960-00-438-8391?

NSN 5960-00-438-8391 is a Electron Tube, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5960 (No Item Name Available). Status: active.

What are the part numbers for NSN 5960-00-438-8391?

NSN 5960-00-438-8391 has 1 cross-referenced part number: 4CX300A (Lockheed Martin Corporation Div Rms).

What NSN replaces 5960-00-438-8391?

There are 2 known substitutes for 5960-00-438-8391: 5960-00-082-3973, 5960-00-706-9224. Verify interchangeability with system specifications before substitution.

What are the specifications of 4CX300A?

Key specifications for 4CX300A: Reference Number Differentiating Characteristics: NAVORD OD-41152. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com