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Technical Data Sheet
PartsTable / COMPONENT / 640K4
640K4 ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 1.594 INCHES NOMINAL IN, body_height: 1.938 INCHES NOMINAL IN, inclosure_type: OPEN, overall_length: 2.375 INCHES NOMINAL IN, mounting_method: BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP, mounting_hole_diameter: 0.156 INCHES NOMINAL SINGLE GROUP 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 5950-00-023-2416, 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
640K4
NSN: 5950-00-023-2416
FSC: 5950
CAGE: 96256 — THORDARSON INC (USA)
SPECIFICATIONS
body_width1.594 INCHES NOMINAL IN
body_height1.938 INCHES NOMINAL IN
inclosure_typeOPEN
overall_length2.375 INCHES NOMINAL IN
mounting_methodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
mounting_hole_diameter0.156 INCHES NOMINAL SINGLE GROUP IN
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity6 WIRE LEAD
winding_function_and_quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
input-output_phase_relationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
distance_between_mounting_facility_centers2.031 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
NSN5950-00-023-2416
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 640K4 MFR TRANSFORMER,POWER
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 2.031 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
TERMINAL TYPE AND QUANTITY: 6 WIRE LEAD
•
BODY WIDTH: 1.594 INCHES NOMINAL IN
•
MOUNTING METHOD: BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
DISTANCE BETWEEN MOUNTING FACILITY CENTERS2.031 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TERMINAL TYPE AND QUANTITY6 WIRE LEAD
BODY WIDTH1.594 INCHES NOMINAL IN
MOUNTING METHODBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
OVERALL LENGTH2.375 INCHES NOMINAL IN
INCLOSURE TYPEOPEN
MOUNTING HOLE DIAMETER0.156 INCHES NOMINAL SINGLE GROUP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
10246Interchangeable
interchangeable cross-reference
interchangeable
110S 1-1/4Interchangeable
interchangeable cross-reference
interchangeable
2411 1-1/4Interchangeable
interchangeable cross-reference
interchangeable
53580Interchangeable
interchangeable cross-reference
interchangeable
TVS2Interchangeable
interchangeable cross-reference
interchangeable
TVS-2-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 640K4?
640K4 is a TRANSFORMER,POWER.
What parts can replace 640K4?
There are 15 known substitutes for 640K4: 10246, 110S 1-1/4, 2411 1-1/4 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 640K4?
640K4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-023-2416. 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