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B43A ✓ 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 SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,GROUND BOTH ENDS, inside_diameter: 0.687 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: CADMIUM OVERALL, spring_free_length: 1.688 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-292-2665, 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
B43A
NSN: 5360-00-292-2665
FSC: 5360
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,GROUND BOTH ENDS
coil_quantity8
inside_diameter0.687 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length1.688 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate145.600 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.938 INCHES NOMINAL IN
NSN5360-00-292-2665
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN B43A MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
INSIDE DIAMETER: 0.687 INCHES NOMINAL IN
•
COIL QUANTITY: 8
•
SPRING FREE LENGTH: 1.688 INCHES NOMINAL IN
•
SPRING FREE OUTSIDE DIAMETER: 0.938 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
END STYLE: SPRING END,GROUND BOTH ENDS
•
SPRING DEFLECTION RATE: 145.600 POUNDS PER INCH NOMINAL LBS
•
COIL HELIX DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.687 INCHES NOMINAL IN
COIL QUANTITY8
SPRING FREE LENGTH1.688 INCHES NOMINAL IN
SPRING FREE OUTSIDE DIAMETER0.938 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
END STYLESPRING END,GROUND BOTH ENDS
SPRING DEFLECTION RATE145.600 POUNDS PER INCH NOMINAL LBS
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
B4-3AInterchangeable
interchangeable cross-reference
interchangeable
87-BPInterchangeable
interchangeable cross-reference
interchangeable
10-1169Interchangeable
interchangeable cross-reference
interchangeable
2009Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B43A?
B43A is a SPRING,HELICAL,COMPRESSION.
What parts can replace B43A?
There are 4 known substitutes for B43A: B4-3A, 87-BP, 10-1169 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B43A?
B43A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-292-2665. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026