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Technical Data Sheet
PartsTable / COMPONENT / CU-1277/U
CU-1277/U ✓ 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 CU-1277/U is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-175-4545, 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
CU-1277/U
NSN: 5985-00-175-4545
FSC: 5985
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
Part NumberCU-1277/U
NSN5985-00-175-4545
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CU-1277/U TITLE COMPONENT PN CU-1277/U MFR CU-1277/U
KEY FEATURES
•
UNIT TYPE: TRANSMISSION LINE
•
PRECIOUS MATERIAL: RHODIUM AND SILVER
•
POWER LOSS IN DECIBELS: 10.0
•
DESIGN TYPE: BIDIRECTIONAL
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
•
RADIO FREQUENCY RATING: 0.95 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
UNIT TYPETRANSMISSION LINE
OVERALL LENGTH4.000 INCHES NOMINAL IN
PRECIOUS MATERIALRHODIUM AND SILVER
POWER LOSS IN DECIBELS10.0
OVERALL HEIGHT0.875 INCHES NOMINAL IN
DESIGN TYPEBIDIRECTIONAL
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
RADIO FREQUENCY RATING0.95 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM
TERMINAL FITTING CONTROLLING AGENCYNARD MICROWAVE CORP
USAGE DESIGNMAIN LINE TERMINAL FITTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
8019136P41Interchangeable
interchangeable cross-reference
interchangeable
C9857PInterchangeable
interchangeable cross-reference
interchangeable
197-8-210SInterchangeable
interchangeable cross-reference
interchangeable
300210Interchangeable
interchangeable cross-reference
interchangeable
JM38510/07903BEXAInterchangeable
interchangeable cross-reference
interchangeable
JM38510/07903BEXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CU-1277/U?
CU-1277/U is a CU-1277/U.
What parts can replace CU-1277/U?
There are 11 known substitutes for CU-1277/U: 8019136P41, C9857P, 197-8-210S and 8 more. Substitute compatibility should be verified for your specific system.
Is CU-1277/U still available?
CU-1277/U 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