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Technical Data Sheet
PartsTable / COMPONENT / 721785-2
721785-2 ✓ 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: BIDIRECTIONAL, usage_design: MAIN LINE TERMINAL FITTING, overall_width: 0.990 INCHES MAXIMUM IN, overall_height: 0.400 INCHES MAXIMUM IN, overall_length: 1.800 INCHES MAXIMUM 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 5985-01-086-0433, 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
721785-2
NSN: 5985-01-086-0433
FSC: 5985
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
design_typeBIDIRECTIONAL
usage_designMAIN LINE TERMINAL FITTING
overall_width0.990 INCHES MAXIMUM IN
overall_height0.400 INCHES MAXIMUM IN
overall_length1.800 INCHES MAXIMUM IN
identifying_numberTERMINAL FITTING PART NO. MIL-C-39012/55
radio_frequency_rating7.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
terminal_fitting_controlling_agencyAMPHENOL RF DIVISION
NSN5985-01-086-0433
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 721785-2 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
TERMINAL FITTING CONTROLLING AGENCY: AMPHENOL RF DIVISION
•
UNIT TYPE: COAXIAL LINE
•
TEST DATA DOCUMENT: 81349-MIL-C-15370/9 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.).
•
DESIGN TYPE: BIDIRECTIONAL
•
RADIO FREQUENCY RATING: 7.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
•
USAGE DESIGN: MAIN LINE TERMINAL FITTING
•
IDENTIFYING NUMBER: TERMINAL FITTING PART NO. MIL-C-39012/55
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.800 INCHES MAXIMUM IN
TERMINAL FITTING CONTROLLING AGENCYAMPHENOL RF DIVISION
UNIT TYPECOAXIAL LINE
TEST DATA DOCUMENT81349-MIL-C-15370/9 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.).
DESIGN TYPEBIDIRECTIONAL
RADIO FREQUENCY RATING7.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
USAGE DESIGNMAIN LINE TERMINAL FITTING
IDENTIFYING NUMBERTERMINAL FITTING PART NO. MIL-C-39012/55
OVERALL HEIGHT0.400 INCHES MAXIMUM IN
OVERALL WIDTH0.990 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
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 721785-2?
721785-2 is a COUPLER,DIRECTIONAL.
What parts can replace 721785-2?
There are 24 known substitutes for 721785-2: MIL-DTL-15370/9, MIL-C-15370/9, M15370/9-006 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 721785-2?
721785-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-086-0433. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026