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Technical Data Sheet
PartsTable / COMPONENT / 20440/70490T-2
20440/70490T-2 ✓ 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 20440/70490T-2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-044-0855, 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
20440/70490T-2
NSN: 6145-01-044-0855
FSC: 6145
CAGE: 92607 — AMPHENOL CABLE AND INTERCONNECT TECHNOLOGIES, INC (USA)
SPECIFICATIONS
Part Number20440/70490T-2
NSN6145-01-044-0855
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 20440/70490T-2 · 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
•
SURFACE TREATMENT: SILVER CORE CONDUCTOR ALL CONDUCTORS
•
STRAND AWG SIZE PER CONDUCTOR: 32 ALL CONDUCTORS
•
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
•
PRECIOUS MATERIAL AND LOCATION: SURFACE ALL CONDUCTORS SILVER AND SURFACE SHIELD BRAID SILVER
•
COLOR: BLACK FIRST POSITION PRIMARY INSULATION SECOND CONDUCTOR
•
STRAND QUANTITY PER CONDUCTOR: 19 ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTSILVER CORE CONDUCTOR ALL CONDUCTORS
STRAND AWG SIZE PER CONDUCTOR32 ALL CONDUCTORS
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
PRECIOUS MATERIAL AND LOCATIONSURFACE ALL CONDUCTORS SILVER AND SURFACE SHIELD BRAID SILVER
COLORBLACK FIRST POSITION PRIMARY INSULATION SECOND CONDUCTOR
COLORWHITE FIRST POSITION PRIMARY INSULATION FIRST CONDUCTOR
SURFACE TREATMENTSILVER SECOND POSITION SHIELD BRAID METALLIC CABLE
STRAND QUANTITY PER CONDUCTOR19 ALL CONDUCTORS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B298 FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE THIRD POSITION JACKET CABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
SM-B-885788-609Upgraded Successor
successor cross-reference
successor
MIL-C-55021/2Upgraded Successor
successor cross-reference
successor
MIL-DTL-55021/2Upgraded Successor
successor cross-reference
successor
2C20-1932SCT-REDUpgraded Successor
successor cross-reference
successor
MIL-W-16878/4Upgraded Successor
successor cross-reference
successor
MPD1507E200-9STWUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20440/70490T-2?
20440/70490T-2 is a 20440/70490T-2.
What parts can replace 20440/70490T-2?
There are 26 known substitutes for 20440/70490T-2: SM-B-885788-609, MIL-C-55021/2, MIL-DTL-55021/2 and 23 more. Substitute compatibility should be verified for your specific system.
Is 20440/70490T-2 still available?
20440/70490T-2 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