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Technical Data Sheet
PartsTable / COMPONENT / 20721/20079KK3
20721/20079KK3 ✓ 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 20721/20079KK3 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 6145-01-355-5466, 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
20721/20079KK3
NSN: 6145-01-355-5466
FSC: 6145
CAGE: 92607 — AMPHENOL CABLE AND INTERCONNECT TECHNOLOGIES, INC (USA)
SPECIFICATIONS
Part Number20721/20079KK3
NSN6145-01-355-5466
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 20721/20079KK3 · 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
•
CROSS SECTION OUTSIDE DIAMETER: 0.139 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYIMIDE THIRD POSITION COATING ALL CONDUCTORS
•
STRAND QUANTITY PER CONDUCTOR: 19 ALL CONDUCTORS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B355 ASSN STD SINGLE MATERIAL RESPONSE FOURTH POSITION SHIELD BRAID METALLIC CABLE
•
SURFACE TREATMENT: NICKEL FOURTH POSITION SHIELD BRAID METALLIC CABLE
•
COLOR: WHITE SIXTH POSITION COATING CABLE
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR QUANTITY3
CROSS SECTION OUTSIDE DIAMETER0.139 INCHES NOMINAL IN
MATERIALPLASTIC POLYIMIDE THIRD POSITION COATING ALL CONDUCTORS
STRAND QUANTITY PER CONDUCTOR19 ALL CONDUCTORS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B355 ASSN STD SINGLE MATERIAL RESPONSE FOURTH POSITION SHIELD BRAID METALLIC CABLE
SURFACE TREATMENTNICKEL FOURTH POSITION SHIELD BRAID METALLIC CABLE
COLORWHITE SIXTH POSITION COATING CABLE
MATERIALCOPPER FOURTH POSITION SHIELD BRAID METALLIC CABLE
COLORYELLOW THIRD POSITION COATING ALL CONDUCTORS
MATERIALPLASTIC POLYIMIDE AND PLASTIC FLUORINATED ETHYLENE PROPYLENE SECOND POSITION TAPE ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
M7078/26-24-2Upgraded Successor
successor cross-reference
successor
NEMA-WC27500Upgraded Successor
successor cross-reference
successor
MIL-C-7078/26Upgraded Successor
successor cross-reference
successor
LB-B1-4202Upgraded Successor
successor cross-reference
successor
M27500-20MS2N12Upgraded Successor
successor cross-reference
successor
M7078/26-16-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20721/20079KK3?
20721/20079KK3 is a 20721/20079KK3.
What parts can replace 20721/20079KK3?
There are 22 known substitutes for 20721/20079KK3: M7078/26-24-2, NEMA-WC27500, MIL-C-7078/26 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20721/20079KK3?
20721/20079KK3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-355-5466. 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