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PartsTable / COMPONENT / 20-140-4
20-140-4 ✓ 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

TERMINAL JUNCTION BLOCK,SECTIONA. Key specifications include color: BLACK, material: PLASTIC BOARD, body_style: BARRIER TYPE, overall_width: 0.72 INCHES NOMINAL IN, current_rating: 15.0 AMPERES, overall_length: 8.16 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 4320-00-254-9494, 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
20-140-4
NSN: 4320-00-254-9494
FSC: 4320
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
colorBLACK
materialPLASTIC BOARD
body_styleBARRIER TYPE
overall_width0.72 INCHES NOMINAL IN
current_rating15.0 AMPERES
overall_length8.16 INCHES NOMINAL IN
terminal_designVERTICAL FEEDTHRU
special_featuresNO. OF CIRCUITS: 20; TERMINAL MATERIAL: STEEL; MATERIAL: INSULATION THERMOPLASTIC
board_constructionHOLLOW CONSTRUCTION WITHOUT INSULATED STRIP
current_rating_in_amps20.0
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
end_item_identificationSUB-DRIVE ASSEMBLY
NSN4320-00-254-9494
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TERMINAL JUNCTION BLOCK,SECTIONA TITLE COMPONENT PN 20-140-4 MFR TERMINAL JUNCTION BLOC
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; 9.000 IN. O/A LG; 6.750 IN. O/A W; 2.828 IN. O/A H; CENTER HOLE ID 1.250 IN.; W/TWELVE BO HLSES,0.375 IN. ID,UNEVENLY SPACED IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 9.000 IN. O/A LG; 6.750 IN. O/A W; 2.828 IN. O/A H; CENTER HOLE ID 1.250 IN.; W/TWELVE BO HLSES,0.375 IN. ID,UNEVENLY SPACED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
32-3Interchangeable
interchangeable cross-reference
interchangeable
201404Interchangeable
interchangeable cross-reference
interchangeable
B-201404Interchangeable
interchangeable cross-reference
interchangeable
1599-4Interchangeable
interchangeable cross-reference
interchangeable
587423-4Interchangeable
interchangeable cross-reference
interchangeable
3991AS320Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-140-4?
20-140-4 is a TERMINAL JUNCTION BLOCK,SECTIONA.
What parts can replace 20-140-4?
There are 8 known substitutes for 20-140-4: 32-3, 201404, B-201404 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-140-4?
20-140-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-254-9494. 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