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Technical Data Sheet
PartsTable / MRO / P4-KCA-4C1
P4-KCA-4C1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, nut_style: HEXAGON, nut_height: 0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN, point_size: 0.625 INCHES IN, shank_shape: ROUND, thread_class: 2B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-01-189-7268, 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
MRO→ MRO_GENERAL→ P4-KCA-4C1
NSN: 5925-01-189-7268
FSC: 5925
CAGE: 92731 — LA MARCHE MFG CO. DBA LA MARCHE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
nut_styleHEXAGON
nut_height0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
point_size0.625 INCHES IN
shank_shapeROUND
thread_class2B
thread_seriesUNF
overall_length12.000 INCHES NOMINAL IN
hardness_rating68.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
special_featuresBERYLLIUM BELL
thread_directionRIGHT-HAND
features_providedNONMAGNETIC AND NONSPARKING
NSN5925-01-189-7268
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN P4-KCA-4C1 MFR CIRCUIT BREAKER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
5139101Interchangeable
interchangeable cross-reference
interchangeable
P54Interchangeable
interchangeable cross-reference
interchangeable
103031Interchangeable
interchangeable cross-reference
interchangeable
P-101A-2242Interchangeable
interchangeable cross-reference
interchangeable
P-101AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P4-KCA-4C1?
P4-KCA-4C1 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace P4-KCA-4C1?
There are 5 known substitutes for P4-KCA-4C1: 5139101, P54, 103031 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P4-KCA-4C1?
P4-KCA-4C1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-01-189-7268. 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