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PartsTable / COMPONENT / 400539
400539 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include color: BLACK, width: 0.875 INCHES NOMINAL IN, filter: NOT INCLUDED, diameter: 5.250 INCHES NOMINAL IN, material: COPPER ALLOY BODY, body_style: STRAIGHT THRU. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-128-0187, 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
400539
NSN: 4140-00-128-0187
FSC: 4140
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
colorBLACK
width0.875 INCHES NOMINAL IN
filterNOT INCLUDED
diameter5.250 INCHES NOMINAL IN
materialCOPPER ALLOY BODY
body_styleSTRAIGHT THRU
bulb_length11.500 INCHES NOMINAL IN
bulb_diameter1.500 INCHES NOMINAL IN
blade_quantity12
overall_height0.250 INCHES NOMINAL IN
overall_length1.031 INCHES NOMINAL IN
mounting_methodPANEL
NSN4140-00-128-0187
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,REGULATING,FLUID PRESSURE TITLE COMPONENT PN 400539 MFR VALVE,REGULATING,FLUID
KEY FEATURES
•
DIAMETER: 5.250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT RADIAL W/ BACK PLATE
•
ATTACHMENT METHOD: KEYWAY
•
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE
•
BLADE QUANTITY: 12
•
WIDTH: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER5.250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT RADIAL W/ BACK PLATE
ATTACHMENT METHODKEYWAY
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
BLADE QUANTITY12
WIDTH0.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
8-1930XP24Interchangeable
interchangeable cross-reference
interchangeable
7431173-1Interchangeable
interchangeable cross-reference
interchangeable
45283Interchangeable
interchangeable cross-reference
interchangeable
7527Interchangeable
interchangeable cross-reference
interchangeable
7527-2Interchangeable
interchangeable cross-reference
interchangeable
47A529848P3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 400539?
400539 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 400539?
There are 11 known substitutes for 400539: 8-1930XP24, 7431173-1, 45283 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 400539?
400539 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-128-0187. 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