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5421789 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

MODIFICATION KIT,FIRE CONTROL EQ. Key specifications include document_type: ENGINEERING DRAWING, end_item_name: ANTENNA-RECEIVER-TRANSMITTER GROUP,GUIDED MISSILE, document_source: 18876, end_item_source: 18876, document_identification: 5421789, end_item_identification: 1430-973-0393. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1290-00-004-0774, 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
5421789
NSN: 1290-00-004-0774
FSC: 1290
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
document_typeENGINEERING DRAWING
end_item_nameANTENNA-RECEIVER-TRANSMITTER GROUP,GUIDED MISSILE
document_source18876
end_item_source18876
component_quantity8
document_identification5421789
end_item_identification1430-973-0393
component_document_originGOVERNMENT
NSN1290-00-004-0774
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MODIFICATION KIT,FIRE CONTROL EQ TITLE COMPONENT PN 5421789 MFR MODIFICATION KIT,FIRE
KEY FEATURES
•
DOCUMENT SOURCE: 18876
•
DOCUMENT TYPE: ENGINEERING DRAWING
•
COMPONENT QUANTITY: 8
•
COMPONENT DOCUMENT ORIGIN: GOVERNMENT
•
DOCUMENT IDENTIFICATION: 5421789
•
END ITEM NAME: ANTENNA-RECEIVER-TRANSMITTER GROUP,GUIDED MISSILE
•
END ITEM SOURCE: 18876
TECHNICAL CHARACTERISTICS (FLIS)
DOCUMENT SOURCE18876
DOCUMENT TYPEENGINEERING DRAWING
COMPONENT QUANTITY8
END ITEM IDENTIFICATION1430-973-0393
COMPONENT DOCUMENT ORIGINGOVERNMENT
DOCUMENT IDENTIFICATION5421789
END ITEM NAMEANTENNA-RECEIVER-TRANSMITTER GROUP,GUIDED MISSILE
END ITEM SOURCE18876
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5421789?
5421789 is a MODIFICATION KIT,FIRE CONTROL EQ.
What is the NSN for 5421789?
5421789 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1290-00-004-0774. 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: August 2026