581R954H04 — COUPLER,DIRECTIONAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

581R954H04: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE, design_type: BIDIRECTIONAL, usage_design: MAIN LINE TERMINAL FITTING, overall_width: 0.970 INCHES NOMINAL IN, overall_height: 0.380 INCHES NOMINAL IN, overall_length: 1.920 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-085-8513, 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

581R954H04

NSN: 5985-01-085-8513
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

unit_type	COAXIAL LINE
design_type	BIDIRECTIONAL
usage_design	MAIN LINE TERMINAL FITTING
overall_width	0.970 INCHES NOMINAL IN
overall_height	0.380 INCHES NOMINAL IN
overall_length	1.920 INCHES NOMINAL IN
special_features	POWER RATING 50.0 WATTS AVG AND 3 KW PEAK; ALUMINUM ALLOY, CHEMICAL FILMED;INSERTION LOSS 0.20 DB MAX; OPERATING TEMPERATURE MINUS 54.0 TO PLUS 71.0 DEG C DEGC
fsc_application_data	ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT
power_loss_in_decibels	6.0
radio_frequency_rating	2.0 GIGAHERTZ MINIMUM AND 4.0 GIGAHERTZ MAXIMUM
unpackaged_unit_weight	0.500 POUNDS NOMINAL LBS
end_item_identification	AIRCRAFT, AWACS, E-3A A
NSN	5985-01-085-8513

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT

•

TERMINAL FITTING CONTROLLING AGENCY: WESTINGHOUSE ELEECTRIC CO

•

UNPACKAGED UNIT WEIGHT: 0.500 POUNDS NOMINAL LBS

•

USAGE DESIGN: MAIN LINE TERMINAL FITTING

•

POWER LOSS IN DECIBELS: 6.0

•

DESIGN TYPE: BIDIRECTIONAL

•

RADIO FREQUENCY RATING: 2.0 GIGAHERTZ MINIMUM AND 4.0 GIGAHERTZ MAXIMUM

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.380 INCHES NOMINAL IN
FSC APPLICATION DATA	ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT
TERMINAL FITTING CONTROLLING AGENCY	WESTINGHOUSE ELEECTRIC CO
UNPACKAGED UNIT WEIGHT	0.500 POUNDS NOMINAL LBS
USAGE DESIGN	MAIN LINE TERMINAL FITTING
POWER LOSS IN DECIBELS	6.0
DESIGN TYPE	BIDIRECTIONAL
RADIO FREQUENCY RATING	2.0 GIGAHERTZ MINIMUM AND 4.0 GIGAHERTZ MAXIMUM
OVERALL LENGTH	1.920 INCHES NOMINAL IN
OVERALL WIDTH	0.970 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 3

2020-6608-31Reference document

Same NSN cross-reference

Reference document — Secondary reference

24278Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D1494142-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 581R954H04?

581R954H04 is a COUPLER,DIRECTIONAL.

What parts can replace 581R954H04?

There are 3 known substitutes for 581R954H04: 2020-6608-31, 24278, D1494142-4. Substitute compatibility should be verified for your specific system.

What is the NSN for 581R954H04?

581R954H04 is cataloged in the U.S. Government catalog under NSN 5985-01-085-8513. This indicates validated use in U.S. government and defense supply chains.

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