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PartsTable / COMPONENT / 4203-105
4203-105 ✓ 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, design_type: PULL OR PUSH, usage_design: STARTER MOTOR CONTACT TERMINAL, head_diameter: 0.389 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, submersibility: NONSUBMERSIBLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-724-7499, 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
4203-105
NSN: 5950-00-724-7499
FSC: 5950
CAGE: 22558 — COAST/ADVANCED CHIP MAGNETICS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
design_typePULL OR PUSH
usage_designSTARTER MOTOR CONTACT TERMINAL
head_diameter0.389 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
submersibilityNONSUBMERSIBLE
fastener_length1.203 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
mounting_methodBUSHING
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
contact_break_typeSINGLE
internal_drive_styleCROSS RECESS TYPE 1
NSN5950-00-724-7499
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER AUTOTRANSFORME TITLE COMPONENT PN 4203-105 MFR TRANSFORMER,POWER AUTO
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
FFS111Interchangeable
interchangeable cross-reference
interchangeable
MS35492-593Interchangeable
interchangeable cross-reference
interchangeable
MS35492-93Interchangeable
interchangeable cross-reference
interchangeable
9576STKInterchangeable
interchangeable cross-reference
interchangeable
9576Interchangeable
interchangeable cross-reference
interchangeable
SM7-30Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4203-105?
4203-105 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 4203-105?
There are 9 known substitutes for 4203-105: FFS111, MS35492-593, MS35492-93 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4203-105?
4203-105 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-724-7499. 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