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PartsTable / COMPONENT / 543-2166-002
543-2166-002 ✓ 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 COMP 302 OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, load_rating: 0.013 POUNDS NOMINAL LBS, inside_diameter: 0.071 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 0.375 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 5360-00-441-0930, 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
543-2166-002
NSN: 5360-00-441-0930
FSC: 5360
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
load_rating0.013 POUNDS NOMINAL LBS
inside_diameter0.071 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length0.375 INCHES NOMINAL IN
spring_solid_length0.203 INCHES MAXIMUM IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate3.400 OUNCES PER INCH NOMINAL OZ
spring_length_under_load0.312 INCHES NOMINAL IN
spring_free_outside_diameter0.093 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-441-0930
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 543-2166-002 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
END STYLE: SPRING END,SQUARED BOTH ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
SPRING FREE OUTSIDE DIAMETER: 0.093 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 302 OVERALL
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING SOLID LENGTH: 0.203 INCHES MAXIMUM IN
•
SPRING FREE LENGTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END STYLESPRING END,SQUARED BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
SPRING FREE OUTSIDE DIAMETER0.093 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302 OVERALL
STYLE DESIGNATORCYLINDRICAL
SPRING SOLID LENGTH0.203 INCHES MAXIMUM IN
SPRING FREE LENGTH0.375 INCHES NOMINAL IN
SPRING LENGTH UNDER LOAD0.312 INCHES NOMINAL IN
LOAD RATING0.013 POUNDS NOMINAL LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1131-25Interchangeable
interchangeable cross-reference
interchangeable
13007-1Interchangeable
interchangeable cross-reference
interchangeable
M821766PT5Interchangeable
interchangeable cross-reference
interchangeable
DS26LS31MJInterchangeable
interchangeable cross-reference
interchangeable
L03709Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 543-2166-002?
543-2166-002 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 543-2166-002?
There are 5 known substitutes for 543-2166-002: 1131-25, 13007-1, M821766PT5 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 543-2166-002?
543-2166-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-441-0930. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026