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Technical Data Sheet
PartsTable / COMPONENT / 4B-9
4B-9 ✓ 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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: STEEL CORROSION RESISTING BODY, body_style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, power_rating: 2.0 WATTS AVERAGE2.0 WATTS AVERAGE, overall_length: 1.210 INCHES NOMINAL1.210 INCHES NOMINAL IN, frequency_range: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM4.000 GIGAHERTZ MAXIMUM, mounting_method: CONNECTORCONNECTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-083-4238, 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
4B-9
NSN: 5985-01-083-4238
FSC: 5985
CAGE: 64671 — SPECTRUM CONTROL, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
power_rating2.0 WATTS AVERAGE2.0 WATTS AVERAGE
overall_length1.210 INCHES NOMINAL1.210 INCHES NOMINAL IN
frequency_range0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM4.000 GIGAHERTZ MAXIMUM
mounting_methodCONNECTORCONNECTOR
overall_diameter0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
application_designTRANSMISSION LINETRANSMISSION LINE
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
operating_temp_range-65.0 TO 125.0 CELSIUS-65.0 TO 125.0 CELSIUS DEGC
terminal_type_and_quantity2 CONNECTOR2 CONNECTOR
voltage_standing_wave_ratio1.251.25
NSN5985-01-083-4238
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND,INDUCT TITLE COMPONENT PN 4B-9 MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
•
APPLICATION DESIGN: TRANSMISSION LINETRANSMISSION LINE
•
BODY STYLE: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
•
FREQUENCY RANGE: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM4.000 GIGAHERTZ MAXIMUM
•
MATERIAL: STEEL CORROSION RESISTING BODY
•
CONNECTION TYPE PER FUNCTION: FEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT
•
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE: +0.0 TO 4.0 GIGAHERTZ+0.0 TO 4.0 GIGAHERTZ
•
POWER RATING: 2.0 WATTS AVERAGE2.0 WATTS AVERAGE
•
MOUNTING METHOD: CONNECTORCONNECTOR
TECHNICAL CHARACTERISTICS (FLIS)
APPLICATION DESIGNTRANSMISSION LINETRANSMISSION LINE
BODY STYLEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
FREQUENCY RANGE0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM4.000 GIGAHERTZ MAXIMUM
MATERIALSTEEL CORROSION RESISTING BODY
CONNECTION TYPE PER FUNCTIONFEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE+0.0 TO 4.0 GIGAHERTZ+0.0 TO 4.0 GIGAHERTZ
POWER RATING2.0 WATTS AVERAGE2.0 WATTS AVERAGE
MOUNTING METHODCONNECTORCONNECTOR
INPUT IMPEDANCE RATING IN OHMS50.050.0
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
298-68 47Interchangeable
interchangeable cross-reference
interchangeable
1750-705Interchangeable
interchangeable cross-reference
interchangeable
000444-1007Interchangeable
interchangeable cross-reference
interchangeable
2389Interchangeable
interchangeable cross-reference
interchangeable
1913954Interchangeable
interchangeable cross-reference
interchangeable
453318Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4B-9?
4B-9 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace 4B-9?
There are 18 known substitutes for 4B-9: 298-68 47, 1750-705, 000444-1007 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4B-9?
4B-9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-083-4238. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026