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Technical Data Sheet
PartsTable / COMPONENT / 4581-B-1
4581-B-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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: COPPER ALLOY OVERALL, overall_height: 0.532 INCHES0.532 INCHES IN, largest_diameter: 0.093 INCHES FIRST END IN, overall_diameter: 0.156 INCHES0.156 INCHES IN, basic_shape_style: NONTUBULAR ROUND, precious_material: SILVER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-673-1024, 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
4581-B-1
NSN: 5940-00-673-1024
FSC: 5940
CAGE: 52525 — LERCO DIV SPACE-LOK INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_height0.532 INCHES0.532 INCHES IN
largest_diameter0.093 INCHES FIRST END IN
overall_diameter0.156 INCHES0.156 INCHES IN
basic_shape_styleNONTUBULAR ROUND
precious_materialSILVER
surface_treatmentSILVER OVERALL SINGLE LAYER
minor_bushing_length0.093 INCHES IN
mounting_method_stylePRESS FIT KNURL
turret_minor_diameter0.046 INCHES FIRST END IN
major_bushing_diameter0.156 INCHES IN
minor_bushing_diameter0.120 INCHES IN
NSN5940-00-673-1024
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 4581-B-1 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
MOUNTING METHOD STYLE: PRESS FIT KNURL
•
PRECIOUS MATERIAL: SILVER
•
MINOR BUSHING DIAMETER: 0.120 INCHES IN
•
BASIC SHAPE STYLE: NONTUBULAR ROUND
•
CONDUCTOR ACCOMMODATION TYPE: PIN SECOND END
•
LARGEST DIAMETER: 0.041 INCHES SECOND END IN
•
FIRST END TERMINAL LENGTH: 0.194 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHOD STYLEPRESS FIT KNURL
PRECIOUS MATERIALSILVER
MINOR BUSHING DIAMETER0.120 INCHES IN
BASIC SHAPE STYLENONTUBULAR ROUND
OVERALL HEIGHT0.532 INCHES0.532 INCHES IN
CONDUCTOR ACCOMMODATION TYPEPIN SECOND END
LARGEST DIAMETER0.041 INCHES SECOND END IN
FIRST END TERMINAL LENGTH0.194 INCHES IN
MINOR BUSHING LENGTH0.093 INCHES IN
LARGEST DIAMETER0.093 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
92758Interchangeable
interchangeable cross-reference
interchangeable
901209K6Interchangeable
interchangeable cross-reference
interchangeable
FFP386Interchangeable
interchangeable cross-reference
interchangeable
5333-5Interchangeable
interchangeable cross-reference
interchangeable
550230Interchangeable
interchangeable cross-reference
interchangeable
70042887Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4581-B-1?
4581-B-1 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 4581-B-1?
There are 28 known substitutes for 4581-B-1: 92758, 901209K6, FFP386 and 25 more. Substitute compatibility should be verified for your specific system.
Is 4581-B-1 still available?
4581-B-1 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026