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Technical Data Sheet
PartsTable / COMPONENT / CN-39B/U
CN-39B/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-39B/U is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-947-8269, 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-39B/U
NSN: 5985-00-947-8269
FSC: 5985
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberCN-39B/U
NSN5985-00-947-8269
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CN-39B/U TITLE COMPONENT PN CN-39B/U MFR CN-39B/U
KEY FEATURES
•
MATERIAL: STEEL BODY
•
TEST DATA DOCUMENT: 81349-MIL-A-3933-6 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
TERMINAL TYPE AND QUANTITY: 2 CONNECTOR
•
RF SIGNAL ATTENUATION IN DECIBELS: 20.0
•
VOLTAGE STANDING WAVE RATIO: 1.15
•
OPERATING TEMP RANGE: -55.0 TO 85.0 CELSIUS DEGC
•
MOUNTING METHOD: CONNECTOR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL BODY
TEST DATA DOCUMENT81349-MIL-A-3933-6 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TERMINAL TYPE AND QUANTITY2 CONNECTOR
OVERALL LENGTH4.375 INCHES MAXIMUM IN
RF SIGNAL ATTENUATION IN DECIBELS20.0
VOLTAGE STANDING WAVE RATIO1.15
OPERATING TEMP RANGE-55.0 TO 85.0 CELSIUS DEGC
MOUNTING METHODCONNECTOR
COAXIAL CONNECTOR SERIES DESIGNATIONN
OVERALL DIAMETER0.781 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
CN-30B/UInterchangeable
interchangeable cross-reference
interchangeable
M3933/6-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-A-3933/6Interchangeable
interchangeable cross-reference
interchangeable
CN32UInterchangeable
interchangeable cross-reference
interchangeable
553B-6Interchangeable
interchangeable cross-reference
interchangeable
MS16696-14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CN-39B/U?
CN-39B/U is a CN-39B/U.
What parts can replace CN-39B/U?
There are 11 known substitutes for CN-39B/U: CN-30B/U, M3933/6-1, MIL-A-3933/6 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CN-39B/U?
CN-39B/U is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-947-8269. 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.
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Last verified: July 2026