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PartsTable / COMPONENT / FX78-50S
FX78-50S ✓ 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 COUPLER,TRANSMISSION LINE is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE, overall_length: 2.938 INCHES NOMINAL IN, overall_diameter: 0.875 INCHES NOMINAL IN, mounting_configuration: TERMINAL MTD, input_impedance_rating_in_ohms: 50.0, output_impedance_rating_in_ohms: 50.0. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-823-9930, 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
FX78-50S
NSN: 5985-00-823-9930
FSC: 5985
CAGE: 16733 — RFS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
overall_length2.938 INCHES NOMINAL IN
overall_diameter0.875 INCHES NOMINAL IN
mounting_configurationTERMINAL MTD
input_impedance_rating_in_ohms50.0
output_impedance_rating_in_ohms50.0
NSN5985-00-823-9930
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,TRANSMISSION LINE TITLE COMPONENT PN FX78-50S MFR COUPLER,TRANSMISSION L
KEY FEATURES
•
UNIT TYPE: COAXIAL LINE
•
INPUT IMPEDANCE RATING IN OHMS: 50.0
•
OVERALL DIAMETER: 0.875 INCHES NOMINAL IN
•
OUTPUT IMPEDANCE RATING IN OHMS: 50.0
•
MOUNTING CONFIGURATION: TERMINAL MTD
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.938 INCHES NOMINAL IN
UNIT TYPECOAXIAL LINE
INPUT IMPEDANCE RATING IN OHMS50.0
OVERALL DIAMETER0.875 INCHES NOMINAL IN
OUTPUT IMPEDANCE RATING IN OHMS50.0
MOUNTING CONFIGURATIONTERMINAL MTD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1949429Interchangeable
interchangeable cross-reference
interchangeable
79880Interchangeable
interchangeable cross-reference
interchangeable
142553Interchangeable
interchangeable cross-reference
interchangeable
0931954963Interchangeable
interchangeable cross-reference
interchangeable
12286859Interchangeable
interchangeable cross-reference
interchangeable
SSCY14644-406Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FX78-50S?
FX78-50S is a COUPLER,TRANSMISSION LINE.
What parts can replace FX78-50S?
There are 8 known substitutes for FX78-50S: 1949429, 79880, 142553 and 5 more. Substitute compatibility should be verified for your specific system.
Is FX78-50S still available?
FX78-50S is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026