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PartsTable / COMPONENT / 1668AS357-1
1668AS357-1 ✓ 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 CORROSION RESISTING OVERALL, end_style: SHORT TWISTED HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.370 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 12-1/2, inside_diameter: 0.740 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 5360-01-331-7961, 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
1668AS357-1
NSN: 5360-01-331-7961
FSC: 5360
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleSHORT TWISTED HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.370 INCHES NOMINAL BOTH ENDS IN
coil_quantity12-1/2
inside_diameter0.740 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length3.417 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter0.990 INCHES NOMINAL IN
NSN5360-01-331-7961
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 1668AS357-1 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
COIL QUANTITY: 12-1/2
•
INSIDE DIAMETER: 0.740 INCHES NOMINAL IN
•
END STYLE: SHORT TWISTED HOOK BOTH ENDS
•
HOOK RADIUS: 0.370 INCHES NOMINAL BOTH ENDS IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
SPRING FREE LENGTH: 3.417 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
COIL QUANTITY12-1/2
INSIDE DIAMETER0.740 INCHES NOMINAL IN
END STYLESHORT TWISTED HOOK BOTH ENDS
HOOK RADIUS0.370 INCHES NOMINAL BOTH ENDS IN
STYLE DESIGNATORCYLINDRICAL
MATERIALSTEEL CORROSION RESISTING OVERALL
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
SPRING FREE LENGTH3.417 INCHES NOMINAL IN
DESIGN TYPECLOSED
SPRING FREE OUTSIDE DIAMETER0.990 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
22-681Interchangeable
interchangeable cross-reference
interchangeable
25085-1103Interchangeable
interchangeable cross-reference
interchangeable
68J818005-101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1668AS357-1?
1668AS357-1 is a SPRING,HELICAL,EXTENSION.
What parts can replace 1668AS357-1?
There are 3 known substitutes for 1668AS357-1: 22-681, 25085-1103, 68J818005-101. Substitute compatibility should be verified for your specific system.
What is the NSN for 1668AS357-1?
1668AS357-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-01-331-7961. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026