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PartsTable / COMPONENT / 581R955H01
581R955H01 ✓ 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 AND SECONDARY LINE TERMINAL FITTING, overall_width: 1.156 INCHES NOMINAL IN, overall_height: 0.375 INCHES NOMINAL IN, overall_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-140-8073, 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
581R955H01
NSN: 5985-01-140-8073
FSC: 5985
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE OR TRANSMISSION LINE
design_typeBIDIRECTIONAL
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_width1.156 INCHES NOMINAL IN
overall_height0.375 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
terminal_fitting_controlling_agencyNARDA MICROWAVE CORP
NSN5985-01-140-8073
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 581R955H01 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
USAGE DESIGN: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
•
UNIT TYPE: COAXIAL LINE OR TRANSMISSION LINE
•
TERMINAL FITTING CONTROLLING AGENCY: NARDA MICROWAVE CORP
•
DESIGN TYPE: BIDIRECTIONAL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.375 INCHES NOMINAL IN
OVERALL WIDTH1.156 INCHES NOMINAL IN
USAGE DESIGNMAIN LINE AND SECONDARY LINE TERMINAL FITTING
UNIT TYPECOAXIAL LINE OR TRANSMISSION LINE
TERMINAL FITTING CONTROLLING AGENCYNARDA MICROWAVE CORP
DESIGN TYPEBIDIRECTIONAL
OVERALL LENGTH1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
503-S 34Interchangeable
interchangeable cross-reference
interchangeable
12234Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
C65607Interchangeable
interchangeable cross-reference
interchangeable
7236Interchangeable
interchangeable cross-reference
interchangeable
24121Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 581R955H01?
581R955H01 is a COUPLER,DIRECTIONAL.
What parts can replace 581R955H01?
There are 12 known substitutes for 581R955H01: 503-S 34, 12234, B94.11M and 9 more. Substitute compatibility should be verified for your specific system.
Is 581R955H01 still available?
581R955H01 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026