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10658786 — COUPLER,DIRECTIONAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

10658786: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: TRANSMISSION LINE, design_type: UNIDIRECTIONAL, usage_design: MAIN LINE TERMINAL FITTING, overall_depth: 0.750 INCHES NOMINAL IN, overall_width: 5.000 INCHES NOMINAL IN, overall_length: 5.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-088-4780, 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
10658786
NSN: 5985-00-088-4780
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
unit_typeTRANSMISSION LINE
design_typeUNIDIRECTIONAL
usage_designMAIN LINE TERMINAL FITTING
overall_depth0.750 INCHES NOMINAL IN
overall_width5.000 INCHES NOMINAL IN
overall_length5.250 INCHES NOMINAL IN
identifying_numberTERMINAL FITTING TYPE NO. UG18F/U
power_loss_in_decibels6.0
radio_frequency_rating1.208 GIGAHERTZ MINIMUM AND 1.45 GIGAHERTZ MAXIMUM
terminal_fitting_controlling_agencyMIL
NSN5985-00-088-4780
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 10658786 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
TERMINAL FITTING CONTROLLING AGENCY: MIL
•
USAGE DESIGN: MAIN LINE TERMINAL FITTING
•
POWER LOSS IN DECIBELS: 6.0
•
IDENTIFYING NUMBER: TERMINAL FITTING TYPE NO. UG18F/U
•
DESIGN TYPE: UNIDIRECTIONAL
•
RADIO FREQUENCY RATING: 1.208 GIGAHERTZ MINIMUM AND 1.45 GIGAHERTZ MAXIMUM
TECHNICAL CHARACTERISTICS
TERMINAL FITTING CONTROLLING AGENCYMIL
USAGE DESIGNMAIN LINE TERMINAL FITTING
POWER LOSS IN DECIBELS6.0
IDENTIFYING NUMBERTERMINAL FITTING TYPE NO. UG18F/U
DESIGN TYPEUNIDIRECTIONAL
RADIO FREQUENCY RATING1.208 GIGAHERTZ MINIMUM AND 1.45 GIGAHERTZ MAXIMUM
OVERALL LENGTH5.250 INCHES NOMINAL IN
OVERALL WIDTH5.000 INCHES NOMINAL IN
UNIT TYPETRANSMISSION LINE
OVERALL DEPTH0.750 INCHES NOMINAL IN
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
D344-4Reference 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 10658786?
10658786 is a COUPLER,DIRECTIONAL.
What parts can replace 10658786?
There is 1 known substitute for 10658786: D344-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 10658786?
10658786 is cataloged in the U.S. Government catalog under NSN 5985-00-088-4780. 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.