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C2M-18-FG/30881A — Technical Data Sheet

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— · 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: TRANSMISSION LINE, design_type: BIDIRECTIONAL, overall_width: 0.880 INCHES NOMINAL IN, overall_height: 0.380 INCHES NOMINAL IN, overall_length: 1.880 INCHES NOMINAL IN, fsc_application_data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5985-01-224-5865, 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
C2M-18-FG/30881A
NSN: 5985-01-224-5865
FSC: 5985
CAGE: 12457 — MERRIMAC INDUSTRIES, INC (USA)
SPECIFICATIONS
unit_typeTRANSMISSION LINE
design_typeBIDIRECTIONAL
overall_width0.880 INCHES NOMINAL IN
overall_height0.380 INCHES NOMINAL IN
overall_length1.880 INCHES NOMINAL IN
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
power_loss_in_decibels18.0
NSN5985-01-224-5865
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN C2M-18-FG/30881A MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
DESIGN TYPE: BIDIRECTIONAL
•
UNIT TYPE: TRANSMISSION LINE
•
POWER LOSS IN DECIBELS: 18.0
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
TECHNICAL CHARACTERISTICS
DESIGN TYPEBIDIRECTIONAL
UNIT TYPETRANSMISSION LINE
OVERALL HEIGHT0.380 INCHES NOMINAL IN
POWER LOSS IN DECIBELS18.0
OVERALL LENGTH1.880 INCHES NOMINAL IN
OVERALL WIDTH0.880 INCHES NOMINAL IN
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
26-187InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B107.100 CAT 39 TY1CL1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B107.6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C7067InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
73218FInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
90-1LK2GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2M-18-FG/30881A?
C2M-18-FG/30881A is a COUPLER,DIRECTIONAL.
What parts can replace C2M-18-FG/30881A?
There are 9 known substitutes for C2M-18-FG/30881A: 26-187, B107.100 CAT 39 TY1CL1, B107.6 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C2M-18-FG/30881A?
C2M-18-FG/30881A is cataloged in the Federal Logistics Information System under NSN 5985-01-224-5865. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026