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Technical Data Sheet
PartsTable / COMPONENT / 4230-059
4230-059 ✓ 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 OR TRANSMISSION LINE, design_type: BIDIRECTIONAL, usage_design: MAIN LINE AND MAIN LINE AND SECONDARY LINE TERMINAL FITTINGSECONDARY LINE TERMINAL FITTING, overall_width: 2.437 INCHES NOMINAL IN, overall_height: 2.406 INCHES NOMINAL IN, overall_length: 5.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-474-0866, 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
4230-059
NSN: 5985-00-474-0866
FSC: 5985
CAGE: 70998 — BIRD ELECTRONIC CORPORATION DIV BIRD ELECTRONIC CORP (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE OR TRANSMISSION LINE
design_typeBIDIRECTIONAL
usage_designMAIN LINE AND MAIN LINE AND SECONDARY LINE TERMINAL FITTINGSECONDARY LINE TERMINAL FITTING
overall_width2.437 INCHES NOMINAL IN
overall_height2.406 INCHES NOMINAL IN
overall_length5.250 INCHES NOMINAL IN
NSN5985-00-474-0866
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 4230-059 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
USAGE DESIGN: MAIN LINE AND MAIN LINE AND SECONDARY LINE TERMINAL FITTINGSECONDARY LINE TERMINAL FITTING
•
DESIGN TYPE: BIDIRECTIONAL
•
UNIT TYPE: COAXIAL LINE OR TRANSMISSION LINE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT2.406 INCHES NOMINAL IN
USAGE DESIGNMAIN LINE AND MAIN LINE AND SECONDARY LINE TERMINAL FITTINGSECONDARY LINE TERMINAL FITTING
DESIGN TYPEBIDIRECTIONAL
UNIT TYPECOAXIAL LINE OR TRANSMISSION LINE
OVERALL LENGTH5.250 INCHES NOMINAL IN
OVERALL WIDTH2.437 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
423-0058Interchangeable
interchangeable cross-reference
interchangeable
510809Interchangeable
interchangeable cross-reference
interchangeable
10167918Interchangeable
interchangeable cross-reference
interchangeable
130Interchangeable
interchangeable cross-reference
interchangeable
130AInterchangeable
interchangeable cross-reference
interchangeable
0L4230-058Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4230-059?
4230-059 is a COUPLER,DIRECTIONAL.
What parts can replace 4230-059?
There are 7 known substitutes for 4230-059: 423-0058, 510809, 10167918 and 4 more. Substitute compatibility should be verified for your specific system.
Is 4230-059 still available?
4230-059 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