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PartsTable / COMPONENT / KN-89-59
KN-89-59 ✓ 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,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE, design_type: UNIDIRECTIONAL, usage_design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING, overall_width: 1.250 INCHES NOMINAL IN, overall_height: 1.980 INCHES NOMINAL IN, overall_length: 3.730 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-713-4356, 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
KN-89-59
NSN: 5985-00-713-4356
FSC: 5985
CAGE: 91836 — WINCHESTER INTERCONNECT CORPORATION (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
design_typeUNIDIRECTIONAL
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_width1.250 INCHES NOMINAL IN
overall_height1.980 INCHES NOMINAL IN
overall_length3.730 INCHES NOMINAL IN
radio_frequency_rating500.0 MEGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM
NSN5985-00-713-4356
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN KN-89-59 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
UNIT TYPE: COAXIAL LINE
•
USAGE DESIGN: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
•
RADIO FREQUENCY RATING: 500.0 MEGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM
•
DESIGN TYPE: UNIDIRECTIONAL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT1.980 INCHES NOMINAL IN
UNIT TYPECOAXIAL LINE
USAGE DESIGNMAIN LINE AND SECONDARY LINE TERMINAL FITTING
RADIO FREQUENCY RATING500.0 MEGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM
DESIGN TYPEUNIDIRECTIONAL
OVERALL LENGTH3.730 INCHES NOMINAL IN
OVERALL WIDTH1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
455AInterchangeable
interchangeable cross-reference
interchangeable
S247Interchangeable
interchangeable cross-reference
interchangeable
CAQI455AInterchangeable
interchangeable cross-reference
interchangeable
HP11042AInterchangeable
Same NIIN cross-reference
interchangeable
HP455AInterchangeable
Same NIIN cross-reference
interchangeable
CO2-11042AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KN-89-59?
KN-89-59 is a COUPLER,DIRECTIONAL.
What parts can replace KN-89-59?
There are 11 known substitutes for KN-89-59: 455A, S247, CAQI455A and 8 more. Substitute compatibility should be verified for your specific system.
Is KN-89-59 still available?
KN-89-59 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