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PartsTable / COMPONENT / 4CX350A8321
4CX350A8321 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ELECTRON TUBE is a the manufacturer industrial component. Key specifications include tube_type: TETRODE, special_features: ENVELOPE MATERIAL: CERAMIC AND METAL, specification/standard_data: 80131-RELEASE 4149 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-765-6085, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4CX350A8321
NSN: 5960-00-765-6085
FSC: 5960
CAGE: 06980 — COMMUNICATIONS & POWER INDUSTRIES LLC DBA CPI DIV MICROWAVE POWER PRODUCTS DIVISION - EIMAC OPERATIONS (USA)
SPECIFICATIONS
tube_typeTETRODE
special_featuresENVELOPE MATERIAL: CERAMIC AND METAL
specification/standard_data80131-RELEASE 4149 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN5960-00-765-6085
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRON TUBE TITLE COMPONENT PN 4CX350A8321 MFR ELECTRON TUBE
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 80131-RELEASE 4149 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
•
TUBE TYPE: TETRODE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESENVELOPE MATERIAL: CERAMIC AND METAL
SPECIFICATION/STANDARD DATA80131-RELEASE 4149 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
TUBE TYPETETRODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MIL-PRF-1/1634Interchangeable
interchangeable cross-reference
interchangeable
8321Interchangeable
interchangeable cross-reference
interchangeable
MIL-E-1/1634Interchangeable
interchangeable cross-reference
interchangeable
8281Interchangeable
interchangeable cross-reference
interchangeable
4CX15000AInterchangeable
interchangeable cross-reference
interchangeable
4CX350AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4CX350A8321?
4CX350A8321 is a ELECTRON TUBE.
What parts can replace 4CX350A8321?
There are 11 known substitutes for 4CX350A8321: MIL-PRF-1/1634, 8321, MIL-E-1/1634 and 8 more. Substitute compatibility should be verified for your specific system.
Is 4CX350A8321 still available?
4CX350A8321 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026