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SA520106 ✓ 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 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, bore_diameter: 1.225 INCHES NOMINAL IN, coil_quantity: 8-1/4, inside_diameter: 0.912 INCHES MINIMUM AND 0.924 INCHES MAXIMUM IN, style_designator: CYLINDRICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-741-6272, 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
SA520106
NSN: 5360-00-741-6272
FSC: 5360
CAGE: 51660 — SUPERIOR AIR PARTS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_diameter1.225 INCHES NOMINAL IN
coil_quantity8-1/4
inside_diameter0.912 INCHES MINIMUM AND 0.924 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
spring_free_length2.4062 INCHES NOMINAL IN
spring_solid_length1.172 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
spring_free_outside_diameter1.196 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-474,COMP D-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-741-6272
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN SA520106 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
COIL QUANTITY: 8-1/4
•
BORE DIAMETER: 1.225 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-474,COMP D-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
INSIDE DIAMETER: 0.912 INCHES MINIMUM AND 0.924 INCHES MAXIMUM IN
•
SPRING FREE OUTSIDE DIAMETER: 1.196 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
COIL HELIX DIRECTION: RIGHT-HAND
•
SPRING SOLID LENGTH: 1.172 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
COIL QUANTITY8-1/4
BORE DIAMETER1.225 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-474,COMP D-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
INSIDE DIAMETER0.912 INCHES MINIMUM AND 0.924 INCHES MAXIMUM IN
SPRING FREE OUTSIDE DIAMETER1.196 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
STYLE DESIGNATORCYLINDRICAL
COIL HELIX DIRECTIONRIGHT-HAND
SPRING SOLID LENGTH1.172 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
RC20GF473JInterchangeable
interchangeable cross-reference
interchangeable
MS35043-23Interchangeable
interchangeable cross-reference
interchangeable
RC20GF473KInterchangeable
interchangeable cross-reference
interchangeable
52-01-06Interchangeable
interchangeable cross-reference
interchangeable
631521Interchangeable
interchangeable cross-reference
interchangeable
637836Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SA520106?
SA520106 is a SPRING,HELICAL,COMPRESSION.
What parts can replace SA520106?
There are 7 known substitutes for SA520106: RC20GF473J, MS35043-23, RC20GF473K and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SA520106?
SA520106 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-741-6272. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026