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Technical Data Sheet
PartsTable / COMPONENT / B1143-5
B1143-5 ✓ Verified by PartsTable
— · COMPONENT
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 SWITCH,KNIFE is a the manufacturer industrial component. Key specifications include mounting_method: UNTHREADED HOLE(S), terminal_type_and_quantity: 3 SCREW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-258-5563, 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
B1143-5
NSN: 5930-00-258-5563
FSC: 5930
CAGE: 04809 — SQUARE D CO SECAUCUS ASSEMBLY PLANT (USA)
SPECIFICATIONS
mounting_methodUNTHREADED HOLE(S)
terminal_type_and_quantity3 SCREW
NSN5930-00-258-5563
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,KNIFE TITLE COMPONENT PN B1143-5 MFR SWITCH,KNIFE
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 3 SCREW
•
MOUNTING METHOD: UNTHREADED HOLE(S)
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY3 SCREW
MOUNTING METHODUNTHREADED HOLE(S)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
11-435Interchangeable
interchangeable cross-reference
interchangeable
40000059Interchangeable
interchangeable cross-reference
interchangeable
T-105Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
MS15444-85Interchangeable
interchangeable cross-reference
interchangeable
160-1143-05-01-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B1143-5?
B1143-5 is a SWITCH,KNIFE.
What parts can replace B1143-5?
There are 13 known substitutes for B1143-5: 11-435, 40000059, T-105 and 10 more. Substitute compatibility should be verified for your specific system.
Is B1143-5 still available?
B1143-5 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