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RME-U-0051 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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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: TRANSMISSION LINE, design_type: BIDIRECTIONAL, usage_design: MAIN LINE TERMINAL FITTING, overall_depth: 0.880 INCHES NOMINAL IN, overall_width: 2.120 INCHES NOMINAL IN, overall_length: 10.910 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 5985-00-682-8828, 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
RME-U-0051
NSN: 5985-00-682-8828
FSC: 5985
CAGE: 0S2B1 — RME FILTERS INC (USA)
SPECIFICATIONS
unit_typeTRANSMISSION LINE
design_typeBIDIRECTIONAL
usage_designMAIN LINE TERMINAL FITTING
overall_depth0.880 INCHES NOMINAL IN
overall_width2.120 INCHES NOMINAL IN
overall_length10.910 INCHES NOMINAL IN
precious_materialRHODIUM AND SILVER
identifying_numberTERMINAL FITTING TYPE UG-21B/U
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
power_loss_in_decibels0.15
radio_frequency_rating225.0 MEGAHERTZ MINIMUM AND 460.0 MEGAHERTZ MAXIMUM
unpackaged_unit_weight2.000 POUNDS NOMINAL LBS
NSN5985-00-682-8828
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN RME-U-0051 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
PRECIOUS MATERIAL AND LOCATION: INTERNAL CENTER CONDUCTOR SURFACES RHODIUM AND INTERNAL CENTER CONDUCTOR SURFACES SILVER
•
USAGE DESIGN: MAIN LINE TERMINAL FITTING
•
UNIT TYPE: TRANSMISSION LINE
•
IDENTIFYING NUMBER: TERMINAL FITTING TYPE UG-21B/U
•
PRECIOUS MATERIAL: RHODIUM AND SILVER
•
POWER LOSS IN DECIBELS: 0.15
•
TERMINAL FITTING CONTROLLING AGENCY: AN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DEPTH0.880 INCHES NOMINAL IN
PRECIOUS MATERIAL AND LOCATIONINTERNAL CENTER CONDUCTOR SURFACES RHODIUM AND INTERNAL CENTER CONDUCTOR SURFACES SILVER
USAGE DESIGNMAIN LINE TERMINAL FITTING
UNIT TYPETRANSMISSION LINE
IDENTIFYING NUMBERTERMINAL FITTING TYPE UG-21B/U
PRECIOUS MATERIALRHODIUM AND SILVER
POWER LOSS IN DECIBELS0.15
TERMINAL FITTING CONTROLLING AGENCYAN
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
UNPACKAGED UNIT WEIGHT2.000 POUNDS NOMINAL LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
300030Interchangeable
interchangeable cross-reference
interchangeable
DI1000Interchangeable
interchangeable cross-reference
interchangeable
CN1079ARM87Interchangeable
interchangeable cross-reference
interchangeable
RM-B-A261Interchangeable
interchangeable cross-reference
interchangeable
34-0030Interchangeable
interchangeable cross-reference
interchangeable
3000/30Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RME-U-0051?
RME-U-0051 is a COUPLER,DIRECTIONAL.
What parts can replace RME-U-0051?
There are 11 known substitutes for RME-U-0051: 300030, DI1000, CN1079ARM87 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RME-U-0051?
RME-U-0051 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-682-8828. This indicates validated use in U.S. government and defense supply chains.
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Last verified: August 2026