PartsTable
Technical Data Sheet
PartsTable / MRO / CB-B
CB-B ✓ 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: STEEL, inside_depth: 4.000 INCHES NOMINAL IN, overall_width: 7.000 INCHES NOMINAL IN, closure_method: HINGED COVER, exterior_color: GRAY/GREY, interior_color: GRAY/GREY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7520-00-145-0060, 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→ CB-B
NSN: 7520-00-145-0060
FSC: 7520
CAGE: 79690 — SAFINA OFFICE PRODUCTS, INC. DBA SAFINA OFFICE PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL
inside_depth4.000 INCHES NOMINAL IN
overall_width7.000 INCHES NOMINAL IN
closure_methodHINGED COVER
exterior_colorGRAY/GREY
interior_colorGRAY/GREY
overall_length9.500 INCHES NOMINAL IN
assembly_methodWELDED
special_featuresHASP LOCK W/MIN OF 50 KEY CHANGES;HINGED METAL HASP W/CORRESPONDING STAPLE TO BE USED W/A PADLOCK (NOT INCLUDED);OEM IS S.P RICHARDS
style_designatorGENERAL PURPOSE
surface_treatmentENAMEL INSIDE
closure_fastening_typeKEY LOCK
NSN7520-00-145-0060
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN CB-B MFR CIRCUIT BREAKER
KEY FEATURES
•
ASSEMBLY METHOD: WELDED
•
COIN COMPARTMENT QUANTITY: 5
•
SURFACE TREATMENT: ENAMEL OUTSIDE
•
STYLE DESIGNATOR: GENERAL PURPOSE
TECHNICAL CHARACTERISTICS (FLIS)
ASSEMBLY METHODWELDED
OVERALL LENGTH9.500 INCHES NOMINAL IN
COIN COMPARTMENT QUANTITY5
OVERALL WIDTH7.000 INCHES NOMINAL IN
SURFACE TREATMENTENAMEL OUTSIDE
SPECIAL FEATURESHASP LOCK W/MIN OF 50 KEY CHANGES;HINGED METAL HASP W/CORRESPONDING STAPLE TO BE USED W/A PADLOCK (NOT INCLUDED);OEM IS S.P RICHARDS
STYLE DESIGNATORGENERAL PURPOSE
SURFACE TREATMENTENAMEL INSIDE
CLOSURE METHODHINGED COVER
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
15501Interchangeable
interchangeable cross-reference
interchangeable
KC9671Interchangeable
interchangeable cross-reference
interchangeable
D7740-12-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-4081Interchangeable
interchangeable cross-reference
interchangeable
SEV15501Interchangeable
interchangeable cross-reference
interchangeable
A-A-2930 TY1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CB-B?
CB-B is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace CB-B?
There are 15 known substitutes for CB-B: 15501, KC9671, D7740-12-1 and 12 more. Substitute compatibility should be verified for your specific system.
Is CB-B still available?
CB-B 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