A3187918-004 — COUPLER,DIRECTIONAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A3187918-004: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE AND WAVEGUIDE, design_type: UNIDIRECTIONAL, overall_width: 4.500 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN, overall_height: 1.330 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN, overall_length: 3.870 INCHES NOMINAL IN, power_loss_in_decibels: 50.0. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-423-1056, 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

A3187918-004

NSN: 5985-01-423-1056
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)

SPECIFICATIONS

unit_type	COAXIAL LINE AND WAVEGUIDE
design_type	UNIDIRECTIONAL
overall_width	4.500 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN
overall_height	1.330 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN
overall_length	3.870 INCHES NOMINAL IN
power_loss_in_decibels	50.0
radio_frequency_rating	7.9 GIGAHERTZ MINIMUM AND 8.4 GIGAHERTZ MAXIMUM
specification/standard_data	80063-A3187918 GOVERNMENT SPECIFICATION
NSN	5985-01-423-1056

COMPONENT DIAGRAM

KEY FEATURES

•

POWER LOSS IN DECIBELS: 50.0

•

DESIGN TYPE: UNIDIRECTIONAL

•

RADIO FREQUENCY RATING: 7.9 GIGAHERTZ MINIMUM AND 8.4 GIGAHERTZ MAXIMUM

•

SPECIFICATION/STANDARD DATA: 80063-A3187918 GOVERNMENT SPECIFICATION

•

UNIT TYPE: COAXIAL LINE AND WAVEGUIDE

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	1.330 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN
POWER LOSS IN DECIBELS	50.0
DESIGN TYPE	UNIDIRECTIONAL
RADIO FREQUENCY RATING	7.9 GIGAHERTZ MINIMUM AND 8.4 GIGAHERTZ MAXIMUM
OVERALL LENGTH	3.870 INCHES NOMINAL IN
OVERALL WIDTH	4.500 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA	80063-A3187918 GOVERNMENT SPECIFICATION
UNIT TYPE	COAXIAL LINE AND WAVEGUIDE

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

N171B-1296Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is A3187918-004?

A3187918-004 is a COUPLER,DIRECTIONAL.

What parts can replace A3187918-004?

There is 1 known substitute for A3187918-004: N171B-1296. Substitute compatibility should be verified for your specific system.

What is the NSN for A3187918-004?

A3187918-004 is cataloged in the U.S. Government catalog under NSN 5985-01-423-1056. This indicates validated use in U.S. government and defense supply chains.

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A3187918-004 — COUPLER,DIRECTIONAL

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