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Technical Data Sheet
PartsTable / COMPONENT / 20-808569-9
20-808569-9 ✓ 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 COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE, design_type: UNIDIRECTIONAL, usage_design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING, overall_width: 0.400 INCHES NOMINAL IN, overall_height: 1.350 INCHES NOMINAL IN, overall_length: 1.800 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 5985-01-030-7276, 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
20-808569-9
NSN: 5985-01-030-7276
FSC: 5985
CAGE: 07397 — GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
design_typeUNIDIRECTIONAL
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_width0.400 INCHES NOMINAL IN
overall_height1.350 INCHES NOMINAL IN
overall_length1.800 INCHES NOMINAL IN
power_loss_in_decibels2.0
radio_frequency_rating4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM
NSN5985-01-030-7276
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 20-808569-9 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
POWER LOSS IN DECIBELS: 2.0
•
TEST DATA DOCUMENT: 81349-MIL-C-15370 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.).
•
USAGE DESIGN: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
•
DESIGN TYPE: UNIDIRECTIONAL
•
RADIO FREQUENCY RATING: 4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM
•
UNIT TYPE: COAXIAL LINE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.800 INCHES NOMINAL IN
POWER LOSS IN DECIBELS2.0
TEST DATA DOCUMENT81349-MIL-C-15370 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.).
USAGE DESIGNMAIN LINE AND SECONDARY LINE TERMINAL FITTING
DESIGN TYPEUNIDIRECTIONAL
RADIO FREQUENCY RATING4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM
UNIT TYPECOAXIAL LINE
OVERALL WIDTH0.400 INCHES NOMINAL IN
OVERALL HEIGHT1.350 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MIL-DTL-15370/9Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-15370/9Interchangeable
interchangeable cross-reference
interchangeable
M15370/9-006Interchangeable
interchangeable cross-reference
interchangeable
M15370/9-007Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-15370Interchangeable
interchangeable cross-reference
interchangeable
M15370/9-010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-808569-9?
20-808569-9 is a COUPLER,DIRECTIONAL.
What parts can replace 20-808569-9?
There are 22 known substitutes for 20-808569-9: MIL-DTL-15370/9, MIL-C-15370/9, M15370/9-006 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-808569-9?
20-808569-9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-030-7276. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026