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21-3870 — AXLE,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

21-3870: AXLE,SHOULDERED.

The AXLE,SHOULDERED is a the manufacturer industrial component. Key specifications include end_item_identification: LAWN MOVER,TORO CORP,LAWN BOY. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-057-4861, 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
21-3870
NSN: 5360-00-057-4861
NIINs: 000574861, 013579069
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 96487 — VALCOR ENGINEERING CORPORATION (USA)
SPECIFICATIONS
end_item_identificationLAWN MOVER,TORO CORP,LAWN BOY
NSN5360-00-057-4861
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available AXLE,SHOULDERED TITLE COMPONENT PN 21-3870 MFR AXLE,SHOULDERED
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.535 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN
•
LOAD RATING: 134.000 POUNDS MINIMUM AND 150.000 POUNDS MAXIMUM LBS
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 2.500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 2.986 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.285 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.535 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN
LOAD RATING134.000 POUNDS MINIMUM AND 150.000 POUNDS MAXIMUM LBS
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH2.500 INCHES MAXIMUM IN
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH2.986 INCHES NOMINAL IN
INSIDE DIAMETER0.285 INCHES NOMINAL IN
SPRING LENGTH UNDER LOAD2.580 INCHES NOMINAL IN
SPRING SOLID OUTSIDE DIAMETER0.535 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21-3870?
21-3870 is a AXLE,SHOULDERED.
What is the NSN for 21-3870?
21-3870 is cataloged in the U.S. Government catalog under NSN 5360-00-057-4861. 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.