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9975889-3 — COUPLER,DIRECTIONAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9975889-3: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: TRANSMISSION LINE, design_type: BIDIRECTIONAL, overall_height: 2.230 INCHES NOMINAL IN, overall_length: 2.700 INCHES NOMINAL IN, precious_material: SILVER, fsc_application_data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-979-8884, 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
9975889-3
NSN: 5985-00-979-8884
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
unit_typeTRANSMISSION LINE
design_typeBIDIRECTIONAL
overall_height2.230 INCHES NOMINAL IN
overall_length2.700 INCHES NOMINAL IN
precious_materialSILVER
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
power_loss_in_decibels0.2
radio_frequency_rating300.0 MEGAHERTZ MINIMUM AND 750.0 MEGAHERTZ MAXIMUM
precious_material_and_locationEXTERNAL SURFACES SILVER
NSN5985-00-979-8884
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 9975889-3 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
•
POWER LOSS IN DECIBELS: 0.2
•
DESIGN TYPE: BIDIRECTIONAL
•
PRECIOUS MATERIAL: SILVER
•
RADIO FREQUENCY RATING: 300.0 MEGAHERTZ MINIMUM AND 750.0 MEGAHERTZ MAXIMUM
•
UNIT TYPE: TRANSMISSION LINE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.230 INCHES NOMINAL IN
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
POWER LOSS IN DECIBELS0.2
DESIGN TYPEBIDIRECTIONAL
PRECIOUS MATERIALSILVER
RADIO FREQUENCY RATING300.0 MEGAHERTZ MINIMUM AND 750.0 MEGAHERTZ MAXIMUM
OVERALL LENGTH2.700 INCHES NOMINAL IN
UNIT TYPETRANSMISSION LINE
PRECIOUS MATERIAL AND LOCATIONEXTERNAL SURFACES SILVER
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
HW04NSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 9975889-3?
9975889-3 is a COUPLER,DIRECTIONAL.
What parts can replace 9975889-3?
There is 1 known substitute for 9975889-3: HW04N. Substitute compatibility should be verified for your specific system.
What is the NSN for 9975889-3?
9975889-3 is cataloged in the U.S. Government catalog under NSN 5985-00-979-8884. 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.