PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1956/4
1956/4 ✓ 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 1956/4 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 6145-01-055-3997, 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
1956/4
NSN: 6145-01-055-3997
FSC: 6145
CAGE: 92194 — BELDEN, INC. (USA)
SPECIFICATIONS
Part Number1956/4
NSN6145-01-055-3997
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 1956/4 · 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
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
MATERIAL: RUBBER FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
•
COLOR: BLACK FIRST POSITION COVER FIRST CONDUCTOR
•
STRAND QUANTITY PER CONDUCTOR: 41 ALL CONDUCTORS
•
CONDUCTOR QUANTITY: 4
•
STRAND AWG SIZE PER CONDUCTOR: 30 ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
MATERIALRUBBER FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
MATERIALRUBBER FIRST POSITION JACKET CABLE
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
COLORBLACK FIRST POSITION COVER FIRST CONDUCTOR
STRAND QUANTITY PER CONDUCTOR41 ALL CONDUCTORS
CONDUCTOR QUANTITY4
STRAND AWG SIZE PER CONDUCTOR30 ALL CONDUCTORS
ROUND CONDUCTOR SIZE14 AWG ALL CONDUCTORS
VOLTAGE RATING600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
JC580Upgraded Successor
successor cross-reference
successor
B23T9A1Upgraded Successor
successor cross-reference
successor
SJUpgraded Successor
successor cross-reference
successor
802080-018Upgraded Successor
successor cross-reference
successor
UL62Upgraded Successor
successor cross-reference
successor
UL62SJ3BCK3/16EPCPEUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1956/4?
1956/4 is a 1956/4.
What parts can replace 1956/4?
There are 20 known substitutes for 1956/4: JC580, B23T9A1, SJ and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1956/4?
1956/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-055-3997. 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