PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3580/26
3580/26 ✓ 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 3580/26 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-039-9831, 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
3580/26
NSN: 6145-01-039-9831
FSC: 6145
CAGE: 92194 — BELDEN, INC. (USA)
SPECIFICATIONS
Part Number3580/26
NSN6145-01-039-9831
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 3580/26 · 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STRAND QUANTITY PER CONDUCTOR: 7 ALL CONDUCTORS
•
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
•
CROSS-SECTIONAL WIDTH: 1.300 INCHES NOMINAL IN
•
STRAND AWG SIZE PER CONDUCTOR: 36 ALL CONDUCTORS
•
ROUND CONDUCTOR SIZE: 28 AWG ALL CONDUCTORS
•
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONFEAT
STRAND QUANTITY PER CONDUCTOR7 ALL CONDUCTORS
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
CROSS-SECTIONAL WIDTH1.300 INCHES NOMINAL IN
STRAND AWG SIZE PER CONDUCTOR36 ALL CONDUCTORS
ROUND CONDUCTOR SIZE28 AWG ALL CONDUCTORS
SPECIAL FEATURESRED OR BLUE POLARITY STRIP ON LEADING EDGE; WEAPON SYSTEM ESSENTIAL
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
CROSS-SECTIONAL HEIGHT0.035 INCHES NOMINAL IN
CONDUCTOR QUANTITY26
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
539-532XInterchangeable
interchangeable cross-reference
interchangeable
12C37Interchangeable
interchangeable cross-reference
interchangeable
120-212042-999Interchangeable
interchangeable cross-reference
interchangeable
3459-02Interchangeable
interchangeable cross-reference
interchangeable
F6008443Interchangeable
interchangeable cross-reference
interchangeable
F600B443Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3580/26?
3580/26 is a 3580/26.
What parts can replace 3580/26?
There are 27 known substitutes for 3580/26: 539-532X, 12C37, 120-212042-999 and 24 more. Substitute compatibility should be verified for your specific system.
Is 3580/26 still available?
3580/26 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