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1520-720 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
3M · COMPONENT
PRODUCT OVERVIEW

1520-720: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a 3M industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, bore_diameter: 0.526 INCHES NOMINAL IN, coil_quantity: 10.4, inside_diameter: 0.354 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-051-4940, 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
1520-720
NSN: 5360-01-051-4940
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_diameter0.526 INCHES NOMINAL IN
coil_quantity10.4
inside_diameter0.354 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length1.030 INCHES NOMINAL IN
spring_solid_length0.830 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate60.000 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.512 INCHES NOMINAL IN
NSN5360-01-051-4940
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: 3M SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 1520-720 MFR 3M SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.512 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 0.830 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 1.030 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 60.000 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 0.354 INCHES NOMINAL IN
•
COIL QUANTITY: 10.4
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.512 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH0.830 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH1.030 INCHES NOMINAL IN
SPRING DEFLECTION RATE60.000 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.354 INCHES NOMINAL IN
COIL QUANTITY10.4
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
BORE DIAMETER0.526 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5360 — Coil, Flat, Leaf, and Wire Springs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5360-00-001-1842 5360-00-001-1945 5360-00-001-2010 5360-00-001-3865 5360-00-001-3950 5360-00-001-4650 5360-00-001-4664 5360-00-001-4703
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1520-720?
1520-720 is a SPRING,HELICAL,COMPRESSION manufactured by 3M.
What is the NSN for 1520-720?
1520-720 is cataloged in the U.S. Government catalog under NSN 5360-01-051-4940. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.