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R15306 ✓ 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,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, design_type: OPEN, inside_diameter: 1.250 INCHES NOMINAL IN, coil_helix_direction: LEFT-HAND, spring_free_outside_diameter: 1.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-447-3565, 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
R15306
NSN: 5360-00-447-3565
FSC: 5360
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
design_typeOPEN
coil_quantity7
inside_diameter1.250 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
spring_free_outside_diameter1.625 INCHES NOMINAL IN
NSN5360-00-447-3565
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN R15306 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
DESIGN TYPE: OPEN
•
COIL QUANTITY: 7
•
SPRING FREE OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: LEFT-HAND
•
INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPEOPEN
COIL QUANTITY7
SPRING FREE OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
COIL HELIX DIRECTIONLEFT-HAND
INSIDE DIAMETER1.250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
550 FInterchangeable
interchangeable cross-reference
interchangeable
46776Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYJSZFInterchangeable
interchangeable cross-reference
interchangeable
SS1100Interchangeable
interchangeable cross-reference
interchangeable
626630Interchangeable
interchangeable cross-reference
interchangeable
1-530-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R15306?
R15306 is a SPRING,HELICAL,EXTENSION.
What parts can replace R15306?
There are 15 known substitutes for R15306: 550 F, 46776, NAS907 TYJSZF and 12 more. Substitute compatibility should be verified for your specific system.
Is R15306 still available?
R15306 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