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4963999 — CIRCUIT BREAKER

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

4963999: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include end_item_identification: SYSTEM ENGINE MONITORING, part_name_assigned_by_controlling_agency: BREAKER CIRCUIT. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-650-4136, 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→ 4963999
NSN: 5925-01-650-4136
FSC: 5925 — Circuit Breakers
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
end_item_identificationSYSTEM ENGINE MONITORING
part_name_assigned_by_controlling_agencyBREAKER CIRCUIT
NSN5925-01-650-4136
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN 4963999 MFR CIRCUIT BREAKER
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBREAKER CIRCUIT
END ITEM IDENTIFICATIONSYSTEM ENGINE MONITORING
OTHER ITEMS IN FSC 5925 — Circuit Breakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5925-00-001-1277 5925-00-001-2809 5925-00-001-3838 5925-00-001-5748 5925-00-001-5926 5925-00-001-5938 5925-00-001-5942 5925-00-001-5977
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4963999?
4963999 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 4963999?
4963999 is cataloged in the U.S. Government catalog under NSN 5925-01-650-4136. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.