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Technical Data Sheet
PartsTable / MRO / 653778-044
653778-044 ✓ 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 SUPPORT,RADIO RECEIVER is a the manufacturer industrial component. Key specifications include material: STEEL AND STEEL CORROSION RESISTING, overall_width: 0.250 INCHES MAXIMUM IN, overall_length: 2.969 INCHES NOMINAL IN, surface_treatment: CADMIUM OR PASSIVATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5821-00-612-6583, 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→ 653778-044
NSN: 5821-00-612-6583
FSC: 5821
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialSTEEL AND STEEL CORROSION RESISTING
overall_width0.250 INCHES MAXIMUM IN
overall_length2.969 INCHES NOMINAL IN
surface_treatmentCADMIUM OR PASSIVATE
NSN5821-00-612-6583
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPORT,RADIO RECEIVER TITLE COMPONENT PN 653778-044 MFR SUPPORT,RADIO RECEIVER
KEY FEATURES
•
SURFACE TREATMENT: CADMIUM OR PASSIVATE
•
MATERIAL: STEEL AND STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.969 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR PASSIVATE
MATERIALSTEEL AND STEEL CORROSION RESISTING
OVERALL WIDTH0.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
688-5Interchangeable
interchangeable cross-reference
interchangeable
32321Interchangeable
interchangeable cross-reference
interchangeable
FFS92ANDTYPE3ANDSTYLE1CInterchangeable
interchangeable cross-reference
interchangeable
1178-4-4Interchangeable
interchangeable cross-reference
interchangeable
AN520-4R4Interchangeable
interchangeable cross-reference
interchangeable
WC53Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 653778-044?
653778-044 is a SUPPORT,RADIO RECEIVER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 653778-044?
There are 16 known substitutes for 653778-044: 688-5, 32321, FFS92ANDTYPE3ANDSTYLE1C and 13 more. Substitute compatibility should be verified for your specific system.
Is 653778-044 still available?
653778-044 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