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Technical Data Sheet
PartsTable / COMPONENT / 4-1000A
4-1000A ✓ 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: GLASS, end_item_identification: SUBMARINE MISCELLANEOUS SONAR AND ADP SYKSTEMS; AN/SRN-25(V) NAVIGATION RADIO SET, nondefinitive_spec/std_data: 8166 TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-578-1524, 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
4-1000A
NSN: 5960-00-578-1524
FSC: 5960
CAGE: 06980 — COMMUNICATIONS & POWER INDUSTRIES LLC DBA CPI DIV MICROWAVE POWER PRODUCTS DIVISION - EIMAC OPERATIONS (USA)
SPECIFICATIONS
tube_typeTETRODE
special_featuresENVELOPE MATERIAL: GLASS
end_item_identificationSUBMARINE MISCELLANEOUS SONAR AND ADP SYKSTEMS; AN/SRN-25(V) NAVIGATION RADIO SET
nondefinitive_spec/std_data8166 TYPE
NSN5960-00-578-1524
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRON TUBE TITLE COMPONENT PN 4-1000A MFR ELECTRON TUBE
KEY FEATURES
•
TUBE TYPE: TETRODE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESENVELOPE MATERIAL: GLASS
TUBE TYPETETRODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
4-1000AInterchangeable
interchangeable cross-reference
interchangeable
4-100A/8166Interchangeable
interchangeable cross-reference
interchangeable
4-1000A/8166Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-1000A?
4-1000A is a ELECTRON TUBE.
What parts can replace 4-1000A?
There are 3 known substitutes for 4-1000A: 4-1000A, 4-100A/8166, 4-1000A/8166. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-1000A?
4-1000A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-578-1524. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026