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Technical Data Sheet
PartsTable / MRO / 412-5
412-5 ✓ Verified by PartsTable
Esselte · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

The LOCKING DEVICE,CIRCUIT BREAKER is a Esselte industrial component. Key specifications include end_item_identification: BOAT, HARBOR SECURITY, 27FT, 27HS080X FT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-843-0925, 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→ 412-5
NSN: 5998-00-843-0925
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 07556 — UNITRACK INDUSTRIES INC (USA)
SPECIFICATIONS
special_featuresINAVY-LOCKING DEVICE, CIRCUIT BREAKER, MFG DESCRIPTION: AC A-SERIES CIRCUIT BREAKER LOCKOUT SLIDE, ALLOWS ONLY ONE DOUBLE-POLE AC CIRCUIT BREAKER TO BE ACTIVATED AT A TIME, SO AC POWER IS NOT MIXED.
end_item_identificationBOAT, HARBOR SECURITY, 27FT, 27HS080X FT
NSN5998-00-843-0925
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 412-5 MFR Esselte LOCKING DEVICE,CIRCUIT BREAKER
KEY FEATURES
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.469 INCHES NOMINAL IN
OVERALL HEIGHT0.218 INCHES NOMINAL IN
MATERIALPLASTIC
OVERALL LENGTH4.125 INCHES NOMINAL IN
OVERALL WIDTH0.469 INCHES NOMINAL IN
OVERALL HEIGHT0.218 INCHES NOMINAL IN
MATERIALPLASTIC
OVERALL LENGTH4.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
305942Interchangeable
interchangeable cross-reference
interchangeable
221665Interchangeable
interchangeable cross-reference
interchangeable
4125Interchangeable
interchangeable cross-reference
interchangeable
273-SInterchangeable
interchangeable cross-reference
interchangeable
678Interchangeable
interchangeable cross-reference
interchangeable
EC125Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 412-5?
412-5 is a LOCKING DEVICE,CIRCUIT BREAKER manufactured by Esselte. It is classified as a MRO (MRO_GENERAL).
What parts can replace 412-5?
There are 23 known substitutes for 412-5: 305942, 221665, 4125 and 20 more. Substitute compatibility should be verified for your specific system.
Is 412-5 still available?
412-5 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026