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Technical Data Sheet
PartsTable / COMPONENT / CN-1290/U
CN-1290/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 CN-1290/U is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-689-1923, 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
CN-1290/U
NSN: 5985-00-689-1923
FSC: 5985
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
Part NumberCN-1290/U
NSN5985-00-689-1923
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CN-1290/U TITLE COMPONENT PN CN-1290/U MFR CN-1290/U
KEY FEATURES
•
ATTENUATION ACCURACY REFERENCE FREQUENCY: 2.0 GIGAHERTZ
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
•
OVERALL DIAMETER: 0.562 INCHES NOMINAL IN
•
INPUT IMPEDANCE RATING IN OHMS: 50.0
•
VOLTAGE STANDING WAVE RATIO: 1.20 AND 1.50
•
OPERATING TEMP RANGE: -20.0 TO 125.0 CELSIUS DEGC
•
BODY STYLE: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
TECHNICAL CHARACTERISTICS (FLIS)
ATTENUATION ACCURACY REFERENCE FREQUENCY2.0 GIGAHERTZ
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
OVERALL DIAMETER0.562 INCHES NOMINAL IN
INPUT IMPEDANCE RATING IN OHMS50.0
VOLTAGE STANDING WAVE RATIO1.20 AND 1.50
OPERATING TEMP RANGE-20.0 TO 125.0 CELSIUS DEGC
BODY STYLEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
OVERALL LENGTH1.938 INCHES NOMINAL IN
UNPACKAGED UNIT WEIGHT1.500 OUNCES OZ
OUTPUT IMPEDANCE RATING IN OHMS50.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
FP-50-6DBInterchangeable
interchangeable cross-reference
interchangeable
FP-50/6BNCInterchangeable
interchangeable cross-reference
interchangeable
MCD88014A(DB)Interchangeable
interchangeable cross-reference
interchangeable
98A138-2Interchangeable
interchangeable cross-reference
interchangeable
13220E3749Interchangeable
interchangeable cross-reference
interchangeable
P33A20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CN-1290/U?
CN-1290/U is a CN-1290/U.
What parts can replace CN-1290/U?
There are 24 known substitutes for CN-1290/U: FP-50-6DB, FP-50/6BNC, MCD88014A(DB) and 21 more. Substitute compatibility should be verified for your specific system.
Is CN-1290/U still available?
CN-1290/U is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026