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0679 0521 — LOCKING DEVICE,CIRCUIT BREAKER

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

0679 0521: LOCKING DEVICE,CIRCUIT BREAKER.

The LOCKING DEVICE,CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include special_features: GLASS FILLED NYLON;CALLED MINIATURE CIRCUIT BREAKER LOCKOUT-PIN OUT STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-582-4241, 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→ 0679 0521
NSN: 5925-01-582-4241
FSC: 5925 — Circuit Breakers
CAGE: ZD484 — BLACKWOOD J. BLACKWOOD & SON PTY LTD (AUS)
SPECIFICATIONS
special_featuresGLASS FILLED NYLON;CALLED MINIATURE CIRCUIT BREAKER LOCKOUT-PIN OUT STANDARD
NSN5925-01-582-4241
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCKING DEVICE,CIRCUIT BREAKER TITLE COMPONENT PN 0679 0521 MFR LOCKING DEVICE,CIRCUIT
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESGLASS FILLED NYLON;CALLED MINIATURE CIRCUIT BREAKER LOCKOUT-PIN OUT STANDARD
SUBSTITUTES & CROSS-REFERENCES 1
90845Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0679 0521?
0679 0521 is a LOCKING DEVICE,CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 0679 0521?
There is 1 known substitute for 0679 0521: 90845. Substitute compatibility should be verified for your specific system.
What is the NSN for 0679 0521?
0679 0521 is cataloged in the U.S. Government catalog under NSN 5925-01-582-4241. 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.