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110A1221 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

110A1221: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, coil_quantity: 5 3/4, inside_diameter: 0.901 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, spring_free_length: 1.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-939-7345, 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
110A1221
NSN: 5360-00-939-7345
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
coil_quantity5 3/4
inside_diameter0.901 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
spring_free_length1.875 INCHES NOMINAL IN
spring_solid_length0.817 INCHES MAXIMUM IN
coil_helix_directionRIGHT-HAND
material_hardness_rating52.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
NSN5360-00-939-7345
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 110A1221 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
MATERIAL HARDNESS RATING: 52.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
END STYLE: SPRING END,SQUARED BOTH ENDS
•
SPRING SOLID LENGTH: 0.817 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 1.875 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.901 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
•
COIL QUANTITY: 5 3/4
•
COIL HELIX DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING52.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
END STYLESPRING END,SQUARED BOTH ENDS
SPRING SOLID LENGTH0.817 INCHES MAXIMUM IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH1.875 INCHES NOMINAL IN
INSIDE DIAMETER0.901 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
COIL QUANTITY5 3/4
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL CORROSION RESISTING OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 110A1221?
110A1221 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 110A1221?
110A1221 is cataloged in the U.S. Government catalog under NSN 5360-00-939-7345. 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.