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284XT219 ✓ 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 AND WAVEGUIDE, design_type: BIDIRECTIONAL, usage_design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING, overall_width: 8.000 INCHES NOMINAL IN, overall_height: 6.500 INCHES NOMINAL IN, overall_length: 13.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-094-7286, 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
284XT219
NSN: 5985-01-094-7286
FSC: 5985
CAGE: 01456 — MICROWAVE DEVELOPMENT LABORATORIES, INC. DBA MICROWAVE DEVELOPMENT LABORATORIES INC (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE AND WAVEGUIDE
design_typeBIDIRECTIONAL
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_width8.000 INCHES NOMINAL IN
overall_height6.500 INCHES NOMINAL IN
overall_length13.000 INCHES NOMINAL IN
terminal_fitting_controlling_agencyMICROWAVE DEVELOPMENT LABORATORIES INC
NSN5985-01-094-7286
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 284XT219 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
USAGE DESIGN: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
•
UNIT TYPE: COAXIAL LINE AND WAVEGUIDE
•
TERMINAL FITTING CONTROLLING AGENCY: MICROWAVE DEVELOPMENT LABORATORIES INC
•
DESIGN TYPE: BIDIRECTIONAL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH13.000 INCHES NOMINAL IN
USAGE DESIGNMAIN LINE AND SECONDARY LINE TERMINAL FITTING
UNIT TYPECOAXIAL LINE AND WAVEGUIDE
TERMINAL FITTING CONTROLLING AGENCYMICROWAVE DEVELOPMENT LABORATORIES INC
DESIGN TYPEBIDIRECTIONAL
OVERALL HEIGHT6.500 INCHES NOMINAL IN
OVERALL WIDTH8.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1758280Interchangeable
interchangeable cross-reference
interchangeable
3903-4-4CInterchangeable
interchangeable cross-reference
interchangeable
SAE-J514Interchangeable
interchangeable cross-reference
interchangeable
8474Interchangeable
interchangeable cross-reference
interchangeable
52C6Interchangeable
interchangeable cross-reference
interchangeable
753Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 284XT219?
284XT219 is a COUPLER,DIRECTIONAL.
What parts can replace 284XT219?
There are 14 known substitutes for 284XT219: 1758280, 3903-4-4C, SAE-J514 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 284XT219?
284XT219 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-094-7286. 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: July 2026