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Technical Data Sheet
PartsTable / COMPONENT / 2256/3
2256/3 ✓ 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 2256/3 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 6145-00-800-5985, 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
2256/3
NSN: 6145-00-800-5985
FSC: 6145
CAGE: 92194 — BELDEN, INC. (USA)
SPECIFICATIONS
Part Number2256/3
NSN6145-00-800-5985
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 2256/3 · 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 QUANTITY: 3
•
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
•
MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
•
COLOR: RED FIRST POSITION PRIMARY INSULATION SECOND CONDUCTOR
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 3 SINGLES
•
ROUND CONDUCTOR SIZE: 20 AWG ALL CONDUCTORS
•
VOLTAGE RATING: 300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR QUANTITY3
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
COLORRED FIRST POSITION PRIMARY INSULATION SECOND CONDUCTOR
CONDUCTOR ARRANGEMENT AND QUANTITY3 SINGLES
ROUND CONDUCTOR SIZE20 AWG ALL CONDUCTORS
VOLTAGE RATING300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
MATERIALCOPPER SECOND POSITION SHIELD BRAID METALLIC CABLE
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) THIRD POSITION JACKET CABLE
COLORWHITE FIRST POSITION PRIMARY INSULATION THIRD CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
22171Upgraded Successor
successor cross-reference
successor
5131-12CMDInterchangeable
interchangeable cross-reference
interchangeable
7F1070Interchangeable
interchangeable cross-reference
interchangeable
21647Interchangeable
interchangeable cross-reference
interchangeable
22563Interchangeable
interchangeable cross-reference
interchangeable
DSC3B-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2256/3?
2256/3 is a 2256/3.
What parts can replace 2256/3?
There are 18 known substitutes for 2256/3: 22171, 5131-12CMD, 7F1070 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2256/3?
2256/3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-800-5985. 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