PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SMB171543
SMB171543 ✓ 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,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SHORT TWISTED HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.054 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 42-1/2, inside_diameter: 0.104 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 5360-00-664-2137, 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
SMB171543
NSN: 5360-00-664-2137
FSC: 5360
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSHORT TWISTED HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.054 INCHES NOMINAL BOTH ENDS IN
coil_quantity42-1/2
inside_diameter0.104 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentTIN OVERALL
spring_free_length0.609 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
spring_free_outside_diameter0.120 INCHES NOMINAL IN
NSN5360-00-664-2137
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN SMB171543 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
INSIDE DIAMETER: 0.104 INCHES NOMINAL IN
•
HOOK RADIUS: 0.054 INCHES NOMINAL BOTH ENDS IN
•
MATERIAL: STEEL OVERALL
•
DESIGN TYPE: CLOSED
•
END STYLE: SHORT TWISTED HOOK BOTH ENDS
•
SURFACE TREATMENT: TIN OVERALL
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 0.609 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.104 INCHES NOMINAL IN
HOOK RADIUS0.054 INCHES NOMINAL BOTH ENDS IN
MATERIALSTEEL OVERALL
DESIGN TYPECLOSED
END STYLESHORT TWISTED HOOK BOTH ENDS
SURFACE TREATMENTTIN OVERALL
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH0.609 INCHES NOMINAL IN
COIL QUANTITY42-1/2
SPRING FREE OUTSIDE DIAMETER0.120 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
BM11359-01B02Interchangeable
interchangeable cross-reference
interchangeable
28-10Interchangeable
interchangeable cross-reference
interchangeable
53373-AInterchangeable
interchangeable cross-reference
interchangeable
55143Interchangeable
interchangeable cross-reference
interchangeable
1-55143Interchangeable
interchangeable cross-reference
interchangeable
4550P11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy SMB171543?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SMB171543?
SMB171543 is a SPRING,HELICAL,EXTENSION.
What parts can replace SMB171543?
There are 9 known substitutes for SMB171543: BM11359-01B02, 28-10, 53373-A and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMB171543?
SMB171543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-664-2137. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SMB171543

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026