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PartsTable / COMPONENT / DDS1603-1
DDS1603-1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE OR TRANSMISSION LINE, design_type: BIDIRECTIONAL, usage_design: MAIN LINE TERMINAL FITTING, overall_width: 1.410 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN, overall_height: 0.530 INCHES NOMINAL IN, overall_length: 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-330-7374, 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
DDS1603-1
NSN: 5985-01-330-7374
FSC: 5985
CAGE: 50021 — TECHNICAL RESEARCH AND MANUFACTURING, INC. (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE OR TRANSMISSION LINE
design_typeBIDIRECTIONAL
usage_designMAIN LINE TERMINAL FITTING
overall_width1.410 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN
overall_height0.530 INCHES NOMINAL IN
overall_length1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
special_featuresIMPEDANCE 50 OHMS; RF INPUT POWER 100 MILLIWATTS CONTINUOUS WAVE; OPERATING TEMPERATURE PLUS 13.0 DEG C TO PLUS 35.0 DEG C DEGC
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
power_loss_in_decibels16.0
radio_frequency_rating420.0 MEGAHERTZ MINIMUM AND 450.0 MEGAHERTZ MAXIMUM
unpackaged_unit_weight2.000 OUNCES NOMINAL OZ
NSN5985-01-330-7374
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN DDS1603-1 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
UNPACKAGED UNIT WEIGHT: 2.000 OUNCES NOMINAL OZ
•
UNIT TYPE: COAXIAL LINE OR TRANSMISSION LINE
•
RADIO FREQUENCY RATING: 420.0 MEGAHERTZ MINIMUM AND 450.0 MEGAHERTZ MAXIMUM
•
USAGE DESIGN: MAIN LINE TERMINAL FITTING
TECHNICAL CHARACTERISTICS (FLIS)
UNPACKAGED UNIT WEIGHT2.000 OUNCES NOMINAL OZ
UNIT TYPECOAXIAL LINE OR TRANSMISSION LINE
SPECIAL FEATURESIMPEDANCE 50 OHMS; RF INPUT POWER 100 MILLIWATTS CONTINUOUS WAVE; OPERATING TEMPERATURE PLUS 13.0 DEG C TO PLUS 35.0 DEG C DEGC
RADIO FREQUENCY RATING420.0 MEGAHERTZ MINIMUM AND 450.0 MEGAHERTZ MAXIMUM
OVERALL LENGTH1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
OVERALL WIDTH1.410 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN
OVERALL HEIGHT0.530 INCHES NOMINAL IN
USAGE DESIGNMAIN LINE TERMINAL FITTING
DESIGN TYPEBIDIRECTIONAL
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MSC72007Interchangeable
interchangeable cross-reference
interchangeable
72007Interchangeable
interchangeable cross-reference
interchangeable
911319-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DDS1603-1?
DDS1603-1 is a COUPLER,DIRECTIONAL.
What parts can replace DDS1603-1?
There are 3 known substitutes for DDS1603-1: MSC72007, 72007, 911319-2. Substitute compatibility should be verified for your specific system.
What is the NSN for DDS1603-1?
DDS1603-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-330-7374. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026