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Technical Data Sheet
PartsTable / COMPONENT / 2256/4
2256/4 ✓ 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 2256/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-061-3058, 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
2256/4
NSN: 6145-01-061-3058
FSC: 6145
CAGE: 92194 — BELDEN, INC. (USA)
SPECIFICATIONS
Part Number2256/4
NSN6145-01-061-3058
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 2256/4 · 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
•
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
•
STRAND AWG SIZE PER CONDUCTOR: 30 ALL CONDUCTORS
•
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
•
STRAND QUANTITY PER CONDUCTOR: 10 ALL CONDUCTORS
•
COLOR: GRAY/GREY FIRST POSITION JACKET CABLE
•
ROUND CONDUCTOR SIZE: 20 AWG ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
STRAND AWG SIZE PER CONDUCTOR30 ALL CONDUCTORS
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
STRAND QUANTITY PER CONDUCTOR10 ALL CONDUCTORS
MATERIALCOPPER FIRST POSITION SHIELD FOIL CABLE
COLORGRAY/GREY FIRST POSITION JACKET CABLE
ROUND CONDUCTOR SIZE20 AWG ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY4 SINGLES
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
29-524Interchangeable
interchangeable cross-reference
interchangeable
6R57064Interchangeable
interchangeable cross-reference
interchangeable
1264Interchangeable
interchangeable cross-reference
interchangeable
A-A-1353Interchangeable
interchangeable cross-reference
interchangeable
22564Interchangeable
interchangeable cross-reference
interchangeable
73-805183-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2256/4?
2256/4 is a 2256/4.
What parts can replace 2256/4?
There are 16 known substitutes for 2256/4: 29-524, 6R57064, 1264 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2256/4?
2256/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-061-3058. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026