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514191 — CIRCUIT BREAKER

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

514191: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a EMSA industrial component. Key specifications include material: PLASTIC CASE, end_item_identification: CRASH/FIRE TRUCK, part_name_assigned_by_controlling_agency: PACKARD 4 CIRCUIT BREAKER BLOCK. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-545-0950, 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→ 514191
NSN: 5925-01-545-0950
FSC: 5925 — Circuit Breakers
CAGE: 8P082 — E-ONE, INC. DBA E-ONE HAMBURG (USA)
SPECIFICATIONS
materialPLASTIC CASE
end_item_identificationCRASH/FIRE TRUCK
part_name_assigned_by_controlling_agencyPACKARD 4 CIRCUIT BREAKER BLOCK
NSN5925-01-545-0950
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: EMSA CIRCUIT BREAKER TITLE COMPONENT PN 514191 MFR EMSA CIRCUIT BREAKER
KEY FEATURES
•
MATERIAL: PLASTIC CASE
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKARD 4 CIRCUIT BREAKER BLOCK
END ITEM IDENTIFICATIONCRASH/FIRE TRUCK
MATERIALPLASTIC CASE
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 514191?
514191 is a CIRCUIT BREAKER manufactured by EMSA. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 514191?
514191 is cataloged in the U.S. Government catalog under NSN 5925-01-545-0950. 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.