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PartsTable / COMPONENT / MIL-DTL-15370H SUPP 1
MIL-DTL-15370H SUPP 1 ✓ 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: 1.050 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 5985-01-024-2998, 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
MIL-DTL-15370H SUPP 1
NSN: 5985-01-024-2998
FSC: 5985
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
unit_typeCOAXIAL LINE
design_typeUNIDIRECTIONAL
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_width0.400 INCHES NOMINAL IN
overall_height1.050 INCHES NOMINAL IN
overall_length1.800 INCHES NOMINAL IN
special_featuresCOUPLING RATING IN DECIBELS 6.0
identifying_numberTERMINAL FITTING TYPE SMA
power_loss_in_decibels2.0
radio_frequency_rating4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM
criticality_code_justificationFEAT
terminal_fitting_controlling_agencyMILITARY SPECIFICATION
NSN5985-01-024-2998
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN MIL-DTL-15370H SUPP 1 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
POWER LOSS IN DECIBELS: 2.0
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
UNIT TYPE: COAXIAL LINE
•
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.).
•
IDENTIFYING NUMBER: TERMINAL FITTING TYPE SMA
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.800 INCHES NOMINAL IN
OVERALL WIDTH0.400 INCHES NOMINAL IN
POWER LOSS IN DECIBELS2.0
SPECIAL FEATURESCOUPLING RATING IN DECIBELS 6.0
CRITICALITY CODE JUSTIFICATIONFEAT
UNIT TYPECOAXIAL LINE
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.).
IDENTIFYING NUMBERTERMINAL FITTING TYPE SMA
RADIO FREQUENCY RATING4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM
USAGE DESIGNMAIN LINE AND SECONDARY LINE TERMINAL FITTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
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 MIL-DTL-15370H SUPP 1?
MIL-DTL-15370H SUPP 1 is a COUPLER,DIRECTIONAL.
What parts can replace MIL-DTL-15370H SUPP 1?
There are 21 known substitutes for MIL-DTL-15370H SUPP 1: MIL-DTL-15370/9, MIL-C-15370/9, M15370/9-006 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-15370H SUPP 1?
MIL-DTL-15370H SUPP 1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-024-2998. 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