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853858 ✓ 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,TORSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.318 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN, lubrication: SOLUBLE LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-597-7638, 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
853858
NSN: 5360-00-597-7638
FSC: 5360
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.318 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
lubricationSOLUBLE LUBRICANT
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
countersink_angle88.0 DEGREES NOMINAL NUT
surface_treatmentCADMIUM OVERALL
width_across_flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
NSN5360-00-597-7638
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,TORSION TITLE COMPONENT PN 853858 MFR SPRING,HELICAL,TORSION
KEY FEATURES
•
END LENGTH: 0.688 INCHES NOMINAL BOTH ENDS IN
•
SPRING FREE LENGTH: 0.938 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.281 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: LEFT-HAND
•
SPRING FREE OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
COIL AXIS TO CENTER SECTION DISTANCE: 0.469 INCHES NOMINAL IN
•
CENTER LOOP RADIUS: 0.078 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END LENGTH0.688 INCHES NOMINAL BOTH ENDS IN
SPECIAL FEATURESCOIL HELIX OTHER DIRECTION RH
SPRING FREE LENGTH0.938 INCHES NOMINAL IN
INSIDE DIAMETER0.281 INCHES NOMINAL IN
COIL HELIX DIRECTIONLEFT-HAND
SPRING FREE OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
COIL AXIS TO CENTER SECTION DISTANCE0.469 INCHES NOMINAL IN
CENTER LOOP RADIUS0.078 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
END ANGULAR RELATIONSHIPEND W/LH HELIX OF COIL ANGLED TO CENTER SECTION AND END W/RH HELIX OF COIL ANGLED TO CENTER SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40844Interchangeable
interchangeable cross-reference
interchangeable
HM-40844Interchangeable
interchangeable cross-reference
interchangeable
255277-3Interchangeable
interchangeable cross-reference
interchangeable
A5240Interchangeable
interchangeable cross-reference
interchangeable
5730Interchangeable
interchangeable cross-reference
interchangeable
599-JJ-05Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 853858?
853858 is a SPRING,HELICAL,TORSION.
What parts can replace 853858?
There are 14 known substitutes for 853858: 40844, HM-40844, 255277-3 and 11 more. Substitute compatibility should be verified for your specific system.
Is 853858 still available?
853858 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026