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Technical Data Sheet
PartsTable / MRO / G300439
G300439 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 G300439 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-035-0626, 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
MRO→ MRO_GENERAL→ G300439
NSN: 6625-01-035-0626
FSC: 6625
CAGE: 54487 — MERCURY COMMERCIAL ELECTRONICS, INC. DBA MICRONETICS (USA)
SPECIFICATIONS
Part NumberG300439
NSN6625-01-035-0626
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available G300439 TITLE COMPONENT PN G300439 MFR G300439
KEY FEATURES
•
Generation 300439 Platform
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
420AUpgraded Successor
successor cross-reference
successor
CAQI420AUpgraded Successor
successor cross-reference
successor
MDC90023Interchangeable
Same NIIN cross-reference
interchangeable
162-38405Interchangeable
Same NIIN cross-reference
interchangeable
DZ 1242-695Interchangeable
Same NIIN cross-reference
interchangeable
162-00019Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G300439?
G300439 is a G300439. It is classified as a MRO (MRO_GENERAL).
What parts can replace G300439?
There are 7 known substitutes for G300439: 420A, CAQI420A, MDC90023 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G300439?
G300439 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-035-0626. 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