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Technical Data Sheet
PartsTable / COMPONENT / E50-4
E50-4 ✓ 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 OR UNIDIRECTIONAL, usage_design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING, overall_width: 2.400 INCHES NOMINAL IN, overall_height: 0.750 INCHES MAXIMUM IN, overall_length: 2.750 INCHES NOMINAL 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 3655-00-354-3392, 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
E50-4
NSN: 3655-00-354-3392
FSC: 3655
CAGE: 04579 — AURORA PUMP A UNIT OF GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE OR TRANSMISSION LINE
design_typeBIDIRECTIONAL OR UNIDIRECTIONAL
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_width2.400 INCHES NOMINAL IN
overall_height0.750 INCHES MAXIMUM IN
overall_length2.750 INCHES NOMINAL IN
radio_frequency_rating2.0 GIGAHERTZ MINIMUM AND 4.0 GIGAHERTZ MAXIMUM
NSN3655-00-354-3392
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN E50-4 MFR COUPLER,DIRECTIONAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
DD500-6775Interchangeable
interchangeable cross-reference
interchangeable
E504Interchangeable
interchangeable cross-reference
interchangeable
28-407555-101Interchangeable
interchangeable cross-reference
interchangeable
1025Z2284Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E50-4?
E50-4 is a COUPLER,DIRECTIONAL.
What parts can replace E50-4?
There are 4 known substitutes for E50-4: DD500-6775, E504, 28-407555-101 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E50-4?
E50-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3655-00-354-3392. 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