PartsTable
Technical Data Sheet
1937/3 ✓ 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 1937/3 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-548-1243, 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
1937/3
NSN: 6145-00-548-1243
FSC: 6145
CAGE: 92194 — BELDEN, INC. (USA)
SPECIFICATIONS
Part Number1937/3
NSN6145-00-548-1243
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 1937/3 · 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
STRAND AWG SIZE PER CONDUCTOR: 30 ALL CONDUCTORS
ROUND CONDUCTOR SIZE: 12 AWG ALL CONDUCTORS
COLOR: BLACK FIRST POSITION JACKET CABLE
CONDUCTOR QUANTITY: 3
MATERIAL: RUBBER NATURAL OR RUBBER SYNTHETIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
STRAND QUANTITY PER CONDUCTOR: 65 ALL CONDUCTORS
VOLTAGE RATING: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
CROSS SECTION OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STRAND AWG SIZE PER CONDUCTOR30 ALL CONDUCTORS
ROUND CONDUCTOR SIZE12 AWG ALL CONDUCTORS
COLORBLACK FIRST POSITION JACKET CABLE
CONDUCTOR QUANTITY3
MATERIALRUBBER NATURAL OR RUBBER SYNTHETIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
STRAND QUANTITY PER CONDUCTOR65 ALL CONDUCTORS
VOLTAGE RATING600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
CROSS SECTION OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
TEMP RATING60.0 CELSIUS DEGC
END ITEM IDENTIFICATIONNSN 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
JC580Upgraded Successor
successor cross-reference
successor
B23T9A1Upgraded Successor
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successor
SJUpgraded Successor
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successor
802080-018Upgraded Successor
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successor
UL62Upgraded Successor
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successor
UL62SJ3BCK3/16EPCPEUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1937/3?
1937/3 is a 1937/3.
What parts can replace 1937/3?
There are 28 known substitutes for 1937/3: JC580, B23T9A1, SJ and 25 more. Substitute compatibility should be verified for your specific system.
Is 1937/3 still available?
1937/3 is currently cancelled.
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