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Technical Data Sheet
55539 ✓ 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,NONWIRE WOUND,. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, thickness: 0.125 INCHES NOMINAL IN, body_style: CYLINDRICAL BUSHING MOUNTED, cover_type: RAISED, body_length: 0.875 INCHES NOMINAL IN, grip_length: 1.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-057-0809, 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
55539
NSN: 4320-00-057-0809
FSC: 4320
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
thickness0.125 INCHES NOMINAL IN
body_styleCYLINDRICAL BUSHING MOUNTED
cover_typeRAISED
body_length0.875 INCHES NOMINAL IN
grip_length1.000 INCHES NOMINAL IN
shaft_styleROUND
shaft_length0.500 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter0.375 INCHES NOMINAL IN
hole_diameter0.272 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
largest_width0.141 INCHES SINGLE END IN
NSN4320-00-057-0809
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 55539 MFR RESISTOR,VARIABLE,NONW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
43683Interchangeable
interchangeable cross-reference
interchangeable
740Interchangeable
interchangeable cross-reference
interchangeable
B63Interchangeable
interchangeable cross-reference
interchangeable
CR77052PC58Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55539?
55539 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 55539?
There are 4 known substitutes for 55539: 43683, 740, B63 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55539?
55539 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-057-0809. This indicates validated use in U.S. government and defense supply chains.
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