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Technical Data Sheet
PartsTable / COMPONENT / J-C-580SJO3CK4/18SRNJ
J-C-580SJO3CK4/18SRNJ ✓ Verified by PartsTable
— · WIRE CABLE
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

The J-C-580SJO3CK4/18SRNJ is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-284-1133, 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
J-C-580SJO3CK4/18SRNJ
NSN: 6145-00-284-1133
FSC: 6145
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberJ-C-580SJO3CK4/18SRNJ
NSN6145-00-284-1133
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: J-C-580SJO3CK4/18SRNJ · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR FIRST POSITION JACKET CABLE
•
CROSS SECTION OUTSIDE DIAMETER: 0.360 INCHES NOMINAL IN
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 4 SINGLES
•
STRAND QUANTITY PER CONDUCTOR: 41 ALL CONDUCTORS
•
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
•
VOLTAGE RATING: 300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
•
ROUND CONDUCTOR SIZE: 18 AWG ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER CHLOROPRENE CLASS CR FIRST POSITION JACKET CABLE
CROSS SECTION OUTSIDE DIAMETER0.360 INCHES NOMINAL IN
CONDUCTOR ARRANGEMENT AND QUANTITY4 SINGLES
STRAND QUANTITY PER CONDUCTOR41 ALL CONDUCTORS
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
VOLTAGE RATING300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
ROUND CONDUCTOR SIZE18 AWG ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLEROUND
MATERIALRUBBER SYNTHETIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
JC580Upgraded Successor
successor cross-reference
successor
B23T9A1Upgraded Successor
successor cross-reference
successor
SJUpgraded Successor
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successor
802080-018Upgraded Successor
successor cross-reference
successor
UL62Upgraded Successor
successor cross-reference
successor
UL62SJ3BCK3/16EPCPEUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J-C-580SJO3CK4/18SRNJ?
J-C-580SJO3CK4/18SRNJ is a J-C-580SJO3CK4/18SRNJ.
What parts can replace J-C-580SJO3CK4/18SRNJ?
There are 22 known substitutes for J-C-580SJO3CK4/18SRNJ: JC580, B23T9A1, SJ and 19 more. Substitute compatibility should be verified for your specific system.
Is J-C-580SJO3CK4/18SRNJ still available?
J-C-580SJO3CK4/18SRNJ 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