PartsTable
Technical Data Sheet
Download PDF

C3345-40 — COUPLER,DIRECTIONAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

C3345-40: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE, design_type: UNIDIRECTIONAL, special_features: DIRECTIONAL COUPLER, radio_frequency_rating: 2.0 GIGAHERTZ NOMINAL AND 8.0 GIGAHERTZ NOMINAL, end_item_identification: AN/ALM-289 HM. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-506-2073, 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
C3345-40
NSN: 5985-01-506-2073
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 63782 — MICROWAVE ADVANCE COMPONENT TECHNOLOGY INC (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
design_typeUNIDIRECTIONAL
special_featuresDIRECTIONAL COUPLER
radio_frequency_rating2.0 GIGAHERTZ NOMINAL AND 8.0 GIGAHERTZ NOMINAL
end_item_identificationAN/ALM-289 HM
NSN5985-01-506-2073
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN C3345-40 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
DESIGN TYPE: UNIDIRECTIONAL
•
RADIO FREQUENCY RATING: 2.0 GIGAHERTZ NOMINAL AND 8.0 GIGAHERTZ NOMINAL
•
UNIT TYPE: COAXIAL LINE
TECHNICAL CHARACTERISTICS
DESIGN TYPEUNIDIRECTIONAL
RADIO FREQUENCY RATING2.0 GIGAHERTZ NOMINAL AND 8.0 GIGAHERTZ NOMINAL
UNIT TYPECOAXIAL LINE
SPECIAL FEATURESDIRECTIONAL COUPLER
END ITEM IDENTIFICATIONAN/ALM-289 HM
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
C2300/C3300-SERIESReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
Ready to buy C3345-40?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is C3345-40?
C3345-40 is a COUPLER,DIRECTIONAL.
What parts can replace C3345-40?
There is 1 known substitute for C3345-40: C2300/C3300-SERIES. Substitute compatibility should be verified for your specific system.
What is the NSN for C3345-40?
C3345-40 is cataloged in the U.S. Government catalog under NSN 5985-01-506-2073. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — C3345-40

✓ 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.