990C089H02 — COUPLER,DIRECTIONAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

990C089H02: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: WAVEGUIDE, design_type: BIDIRECTIONAL, usage_design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING, overall_width: 1.400 INCHES MAXIMUM IN, overall_height: 3.590 INCHES MAXIMUM IN, overall_length: 7.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-031-3635, 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

990C089H02

NSN: 5985-00-031-3635
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 18323 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA ELECTRONIC SYSTEMS (USA)

SPECIFICATIONS

unit_type	WAVEGUIDE
design_type	BIDIRECTIONAL
usage_design	MAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_width	1.400 INCHES MAXIMUM IN
overall_height	3.590 INCHES MAXIMUM IN
overall_length	7.750 INCHES MAXIMUM IN
special_features	ALUMINUM ALLOY 6061-T6; IRIDITE AND PAINT; POWER 500.0 WATTS AVG,A.0 KW PEAK; FLANGES ARE DOUBLE RIDGED COVER TYPE
identifying_number	TERMINAL FITTING TYPE N; PART NO. MRC750C3; PART NO. MRC750C2
fsc_application_data	ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
power_loss_in_decibels	30.0
terminal_fitting_controlling_agency	WESTINGHOUSE ELECTRIC CORP
NSN	5985-00-031-3635

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT

•

TERMINAL FITTING CONTROLLING AGENCY: WESTINGHOUSE ELECTRIC CORP

•

USAGE DESIGN: MAIN LINE AND SECONDARY LINE TERMINAL FITTING

•

POWER LOSS IN DECIBELS: 30.0

•

IDENTIFYING NUMBER: TERMINAL FITTING TYPE N; PART NO. MRC750C3; PART NO. MRC750C2

•

DESIGN TYPE: BIDIRECTIONAL

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	3.590 INCHES MAXIMUM IN
FSC APPLICATION DATA	ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
TERMINAL FITTING CONTROLLING AGENCY	WESTINGHOUSE ELECTRIC CORP
USAGE DESIGN	MAIN LINE AND SECONDARY LINE TERMINAL FITTING
POWER LOSS IN DECIBELS	30.0
IDENTIFYING NUMBER	TERMINAL FITTING TYPE N; PART NO. MRC750C3; PART NO. MRC750C2
DESIGN TYPE	BIDIRECTIONAL
OVERALL LENGTH	7.750 INCHES MAXIMUM IN
OVERALL WIDTH	1.400 INCHES MAXIMUM IN
UNIT TYPE	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

R90B3NSame 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 990C089H02?

990C089H02 is a COUPLER,DIRECTIONAL.

What parts can replace 990C089H02?

There is 1 known substitute for 990C089H02: R90B3N. Substitute compatibility should be verified for your specific system.

What is the NSN for 990C089H02?

990C089H02 is cataloged in the U.S. Government catalog under NSN 5985-00-031-3635. This indicates validated use in U.S. government and defense supply chains.

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990C089H02 — COUPLER,DIRECTIONAL

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