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Technical Data Sheet
PartsTable / COMPONENT / SM-B-71684
SM-B-71684 ✓ 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: 0.080 INCHES NOMINAL BOTH ENDS IN, load_rating: 1.250 POUNDS NOMINAL LBS, coil_quantity: 16-1/4. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-633-0387, 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
SM-B-71684
NSN: 5360-00-633-0387
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_radius0.080 INCHES NOMINAL BOTH ENDS IN
load_rating1.250 POUNDS NOMINAL LBS
coil_quantity16-1/4
inside_diameter0.160 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length0.696 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_length_under_load1.062 INCHES NOMINAL IN
spring_free_outside_diameter0.200 INCHES NOMINAL IN
NSN5360-00-633-0387
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN SM-B-71684 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE LENGTH: 0.696 INCHES NOMINAL IN
•
END STYLE: SHORT TWISTED HOOK BOTH ENDS
•
MATERIAL: STEEL OVERALL
•
COIL QUANTITY: 16-1/4
•
INSIDE DIAMETER: 0.160 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
SPRING LENGTH UNDER LOAD: 1.062 INCHES NOMINAL IN
•
DESIGN TYPE: CLOSED
TECHNICAL CHARACTERISTICS (FLIS)
SPRING FREE LENGTH0.696 INCHES NOMINAL IN
END STYLESHORT TWISTED HOOK BOTH ENDS
MATERIALSTEEL OVERALL
COIL QUANTITY16-1/4
INSIDE DIAMETER0.160 INCHES NOMINAL IN
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
SPRING LENGTH UNDER LOAD1.062 INCHES NOMINAL IN
DESIGN TYPECLOSED
SPRING FREE OUTSIDE DIAMETER0.200 INCHES NOMINAL IN
LOAD RATING1.250 POUNDS NOMINAL LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
58-790Interchangeable
interchangeable cross-reference
interchangeable
T24125-XCPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-71684?
SM-B-71684 is a SPRING,HELICAL,EXTENSION.
What parts can replace SM-B-71684?
There are 2 known substitutes for SM-B-71684: 58-790, T24125-XCP. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-71684?
SM-B-71684 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-633-0387. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026