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UG-590/U — Technical Data Sheet

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— · 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 COUPLING,WAVEGUIDE is a the manufacturer industrial component. Key specifications include material: STEEL SINGLE TUBING SEGMENT, style_designator: ROUND, coupling_overall_depth: 0.480 INCHES NOMINAL IN, coupling_outside_diameter: 2.390 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-965-6091, 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
UG-590/U
NSN: 5985-00-965-6091
FSC: 5985
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
materialSTEEL SINGLE TUBING SEGMENT
style_designatorROUND
coupling_overall_depth0.480 INCHES NOMINAL IN
coupling_outside_diameter2.390 INCHES NOMINAL IN
NSN5985-00-965-6091
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,WAVEGUIDE TITLE COMPONENT PN UG-590/U MFR COUPLING,WAVEGUIDE
KEY FEATURES
•
STYLE DESIGNATOR: ROUND
•
MATERIAL: STEEL SINGLE TUBING SEGMENT
•
COUPLING OUTSIDE DIAMETER: 2.390 INCHES NOMINAL IN
•
COUPLING OVERALL DEPTH: 0.480 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORROUND
MATERIALSTEEL SINGLE TUBING SEGMENT
COUPLING OUTSIDE DIAMETER2.390 INCHES NOMINAL IN
COUPLING OVERALL DEPTH0.480 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
3419XInterchangeable
interchangeable cross-reference
interchangeable
91944Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is UG-590/U?
UG-590/U is a COUPLING,WAVEGUIDE.
What parts can replace UG-590/U?
There are 2 known substitutes for UG-590/U: 3419X, 91944. Substitute compatibility should be verified for your specific system.
Is UG-590/U still available?
UG-590/U is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: September 2026