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Technical Data Sheet
PartsTable / COMPONENT / 521252502
521252502 ✓ 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: 0.047 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 58, inside_diameter: 0.119 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-209-9948, 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
521252502
NSN: 5360-00-209-9948
FSC: 5360
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSHORT TWISTED HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.047 INCHES NOMINAL BOTH ENDS IN
coil_quantity58
inside_diameter0.119 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length1.126 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter0.147 INCHES NOMINAL IN
NSN5360-00-209-9948
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 521252502 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
END STYLE: SHORT TWISTED HOOK BOTH ENDS
•
SPRING FREE LENGTH: 1.126 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: RIGHT-HAND
•
DESIGN TYPE: CLOSED
•
INSIDE DIAMETER: 0.119 INCHES NOMINAL IN
•
COIL QUANTITY: 58
•
SPRING FREE OUTSIDE DIAMETER: 0.147 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
END STYLESHORT TWISTED HOOK BOTH ENDS
SPRING FREE LENGTH1.126 INCHES NOMINAL IN
COIL HELIX DIRECTIONRIGHT-HAND
DESIGN TYPECLOSED
INSIDE DIAMETER0.119 INCHES NOMINAL IN
COIL QUANTITY58
SPRING FREE OUTSIDE DIAMETER0.147 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
HOOK RADIUS0.047 INCHES NOMINAL BOTH ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
GM125250Interchangeable
interchangeable cross-reference
interchangeable
125250Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 521252502?
521252502 is a SPRING,HELICAL,EXTENSION.
What parts can replace 521252502?
There are 2 known substitutes for 521252502: GM125250, 125250. Substitute compatibility should be verified for your specific system.
Is 521252502 still available?
521252502 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