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Technical Data Sheet
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LS221 ✓ 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, coil_helix_direction: RIGHT-HAND OR LEFT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-386-3649, 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
LS221
NSN: 5360-00-386-3649
FSC: 5360
CAGE: 78557 — TOLEDO PICKLING & STEEL SALES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_helix_directionRIGHT-HAND OR LEFT-HAND
NSN5360-00-386-3649
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN LS221 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
304-0220-000Interchangeable
interchangeable cross-reference
interchangeable
208010-1Interchangeable
interchangeable cross-reference
interchangeable
P015156Interchangeable
interchangeable cross-reference
interchangeable
6419Interchangeable
interchangeable cross-reference
interchangeable
1603Interchangeable
interchangeable cross-reference
interchangeable
E275 ITEM 1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LS221?
LS221 is a SPRING,HELICAL,COMPRESSION.
What parts can replace LS221?
There are 19 known substitutes for LS221: 304-0220-000, 208010-1, P015156 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LS221?
LS221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-386-3649. 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