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128C853H01 — COUPLER,DIRECTIONAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

128C853H01: COUPLER,DIRECTIONAL.

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_length: 3.000 INCHES NOMINAL IN, overall_diameter: 0.875 INCHES NOMINAL IN, power_loss_in_decibels: 0.05. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-436-2015, 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
128C853H01
NSN: 5985-00-436-2015
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
design_typeUNIDIRECTIONAL
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_length3.000 INCHES NOMINAL IN
overall_diameter0.875 INCHES NOMINAL IN
power_loss_in_decibels0.05
radio_frequency_rating1.2 GIGAHERTZ MINIMUM AND 1.4 GIGAHERTZ MAXIMUM
NSN5985-00-436-2015
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 128C853H01 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
USAGE DESIGN: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
•
POWER LOSS IN DECIBELS: 0.05
•
DESIGN TYPE: UNIDIRECTIONAL
•
OVERALL DIAMETER: 0.875 INCHES NOMINAL IN
•
RADIO FREQUENCY RATING: 1.2 GIGAHERTZ MINIMUM AND 1.4 GIGAHERTZ MAXIMUM
•
UNIT TYPE: COAXIAL LINE
TECHNICAL CHARACTERISTICS
USAGE DESIGNMAIN LINE AND SECONDARY LINE TERMINAL FITTING
POWER LOSS IN DECIBELS0.05
DESIGN TYPEUNIDIRECTIONAL
OVERALL DIAMETER0.875 INCHES NOMINAL IN
RADIO FREQUENCY RATING1.2 GIGAHERTZ MINIMUM AND 1.4 GIGAHERTZ MAXIMUM
OVERALL LENGTH3.000 INCHES NOMINAL IN
UNIT TYPECOAXIAL LINE
OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876
SUBSTITUTES & CROSS-REFERENCES 1
430623Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128C853H01?
128C853H01 is a COUPLER,DIRECTIONAL.
What parts can replace 128C853H01?
There is 1 known substitute for 128C853H01: 430623. Substitute compatibility should be verified for your specific system.
What is the NSN for 128C853H01?
128C853H01 is cataloged in the U.S. Government catalog under NSN 5985-00-436-2015. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.