573A4 — COUPLER,DIRECTIONAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

573A4: 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 AND SECONDARY LINE TERMINAL FITTING, overall_width: 1.250 INCHES NOMINAL IN, overall_height: 3.1875 INCHES NOMINAL IN, overall_length: 3.0625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-837-9490, 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

573A4

NSN: 5985-00-837-9490
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 60674 — MICROWAVE DEVICES INC (USA)

SPECIFICATIONS

unit_type	TRANSMISSION LINE
design_type	UNIDIRECTIONAL
usage_design	MAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_width	1.250 INCHES NOMINAL IN
overall_height	3.1875 INCHES NOMINAL IN
overall_length	3.0625 INCHES NOMINAL IN
special_features	80 W POWER LEVEL,20KW PEAK POWER W
identifying_number	TERMINAL FITTING PT NO. 82-504,PT NO 75-202
radio_frequency_rating	205.0 MEGAHERTZ MINIMUM AND 225.0 MEGAHERTZ MAXIMUM
terminal_fitting_controlling_agency	AMPHENOL,AMPHENOL
NSN	5985-00-837-9490

COMPONENT DIAGRAM

KEY FEATURES

•

TERMINAL FITTING CONTROLLING AGENCY: AMPHENOL,AMPHENOL

•

USAGE DESIGN: MAIN LINE AND SECONDARY LINE TERMINAL FITTING

•

IDENTIFYING NUMBER: TERMINAL FITTING PT NO. 82-504,PT NO 75-202

•

DESIGN TYPE: UNIDIRECTIONAL

•

RADIO FREQUENCY RATING: 205.0 MEGAHERTZ MINIMUM AND 225.0 MEGAHERTZ MAXIMUM

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	3.1875 INCHES NOMINAL IN
TERMINAL FITTING CONTROLLING AGENCY	AMPHENOL,AMPHENOL
USAGE DESIGN	MAIN LINE AND SECONDARY LINE TERMINAL FITTING
IDENTIFYING NUMBER	TERMINAL FITTING PT NO. 82-504,PT NO 75-202
DESIGN TYPE	UNIDIRECTIONAL
RADIO FREQUENCY RATING	205.0 MEGAHERTZ MINIMUM AND 225.0 MEGAHERTZ MAXIMUM
OVERALL LENGTH	3.0625 INCHES NOMINAL IN
OVERALL WIDTH	1.250 INCHES NOMINAL IN
UNIT TYPE	TRANSMISSION LINE
SPECIAL FEATURES	80 W POWER LEVEL,20KW PEAK POWER W

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

331C241H03Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 573A4?

573A4 is a COUPLER,DIRECTIONAL.

What parts can replace 573A4?

There is 1 known substitute for 573A4: 331C241H03. Substitute compatibility should be verified for your specific system.

What is the NSN for 573A4?

573A4 is cataloged in the U.S. Government catalog under NSN 5985-00-837-9490. This indicates validated use in U.S. government and defense supply chains.

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573A4 — COUPLER,DIRECTIONAL

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