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Technical Data Sheet
B640-143 ✓ 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

The AUTOCOUPLER ASSEMBL is a the manufacturer industrial component. Key specifications include phase: THREE INPUT, duty_cycle: CONTINUOUS, power_rating: 200.000 HORSEPOWER INPUT, thread_class: 2B SINGLE END, winding_type: COMPOUND WOUND, overall_width: 22.000 INCHES 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 2040-00-949-8443, 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
B640-143
NSN: 2040-00-949-8443
FSC: 2040
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
phaseTHREE INPUT
duty_cycleCONTINUOUS
power_rating200.000 HORSEPOWER INPUT
thread_class2B SINGLE END
winding_typeCOMPOUND WOUND
overall_width22.000 INCHES IN
thread_length1.000 INCHES NOMINAL SINGLE END IN
cooling_methodAMBIENT AIR
overall_height22.560 INCHES IN
overall_length30.750 INCHES IN
shaft_diameter0.500 INCHES NOMINAL SINGLE END IN
mounting_methodFIXED BASE
NSN2040-00-949-8443
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available AUTOCOUPLER ASSEMBL TITLE COMPONENT PN B640-143 MFR AUTOCOUPLER ASSEMBL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
01-0300Interchangeable
interchangeable cross-reference
interchangeable
A-107Interchangeable
interchangeable cross-reference
interchangeable
01-0300 REV AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B640-143?
B640-143 is a AUTOCOUPLER ASSEMBL.
What parts can replace B640-143?
There are 3 known substitutes for B640-143: 01-0300, A-107, 01-0300 REV A. Substitute compatibility should be verified for your specific system.
What is the NSN for B640-143?
B640-143 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2040-00-949-8443. This indicates validated use in U.S. government and defense supply chains.
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