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K854521SUB4PT2 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

K854521SUB4PT2: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: RAISED HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.125 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 33, opening_width: 0.125 INCHES NOMINAL BOTH ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-260-3445, 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
K854521SUB4PT2
NSN: 5360-00-260-3445
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 11447 — L3 TECHNOLOGIES, INC. DIV COMMUNICATION SYSTEMS-EAST (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
end_styleRAISED HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.125 INCHES NOMINAL BOTH ENDS IN
coil_quantity33
opening_width0.125 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.250 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length1.795 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter0.320 INCHES NOMINAL IN
material_document_and_classificationASTM A228-41 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-260-3445
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN K854521SUB4PT2 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.320 INCHES NOMINAL IN
•
END STYLE: RAISED HOOK BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
OPENING WIDTH: 0.125 INCHES NOMINAL BOTH ENDS IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A228-41 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 1.795 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.320 INCHES NOMINAL IN
END STYLERAISED HOOK BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
OPENING WIDTH0.125 INCHES NOMINAL BOTH ENDS IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A228-41 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH1.795 INCHES NOMINAL IN
INSIDE DIAMETER0.250 INCHES NOMINAL IN
COIL QUANTITY33
COIL HELIX DIRECTIONRIGHT-HAND
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 K854521SUB4PT2?
K854521SUB4PT2 is a SPRING,HELICAL,EXTENSION.
What is the NSN for K854521SUB4PT2?
K854521SUB4PT2 is cataloged in the U.S. Government catalog under NSN 5360-00-260-3445. 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.