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Technical Data Sheet
PartsTable / MRO / B456040-4
B456040-4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.562 INCHES NOMINAL IN, flat_height: 0.216 INCHES NOMINAL IN, shaft_style: ROUND, FLATTED, shaft_length: 0.688 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-258-2575, 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
MRO→ MRO_GENERAL→ B456040-4
NSN: 5905-00-258-2575
FSC: 5905
CAGE: 49671 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.562 INCHES NOMINAL IN
flat_height0.216 INCHES NOMINAL IN
shaft_styleROUND, FLATTED
shaft_length0.688 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.125 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
section_quantity1
features_providedNONMETALLIC SHAFT
first_flat_length0.438 INCHES NOMINAL IN
NSN5905-00-258-2575
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN B456040-4 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
FLAT HEIGHT: 0.216 INCHES NOMINAL IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY STYLE: CYLINDRICAL BUSHING MOUNTED
•
SCREW THREAD DIAMETER: 0.375 INCHES NOMINAL IN
•
MOUNTING METHOD: STANDARD BUSHING
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 105.0 SINGLE SECTION
•
FEATURES PROVIDED: NONMETALLIC SHAFT
•
ACTUATOR TRAVEL CONTROL FEATURE: STOPS
TECHNICAL CHARACTERISTICS (FLIS)
FLAT HEIGHT0.216 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
BODY STYLECYLINDRICAL BUSHING MOUNTED
SCREW THREAD DIAMETER0.375 INCHES NOMINAL IN
MOUNTING METHODSTANDARD BUSHING
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER105.0 SINGLE SECTION
FEATURES PROVIDEDNONMETALLIC SHAFT
ACTUATOR TRAVEL CONTROL FEATURESTOPS
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER40.0 SINGLE SECTION
TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
43125Interchangeable
interchangeable cross-reference
interchangeable
MU7-103AInterchangeable
interchangeable cross-reference
interchangeable
0604388Interchangeable
interchangeable cross-reference
interchangeable
B465Interchangeable
interchangeable cross-reference
interchangeable
YAV14L65Interchangeable
interchangeable cross-reference
interchangeable
128SCAV342-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B456040-4?
B456040-4 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace B456040-4?
There are 9 known substitutes for B456040-4: 43125, MU7-103A, 0604388 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B456040-4?
B456040-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-258-2575. 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