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Technical Data Sheet
PartsTable / COMPONENT / W77-1/0
W77-1/0 ✓ 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 W77-1/0 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 6145-00-553-0827, 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
W77-1/0
NSN: 6145-00-553-0827
FSC: 6145
CAGE: 91032 — CABLEC CONTINENTAL CABLES CO (USA)
SPECIFICATIONS
Part NumberW77-1/0
NSN6145-00-553-0827
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: W77-1/0 · 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
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
•
SURFACE TREATMENT: SILVER CORE CONDUCTOR SINGLE CONDUCTOR
•
CROSS SECTION OUTSIDE DIAMETER: 0.585 INCHES NOMINAL IN
•
COLOR: WHITE OR TAN FIRST POSITION COVER SINGLE CONDUCTOR
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
SURFACE TREATMENTSILVER CORE CONDUCTOR SINGLE CONDUCTOR
CROSS SECTION OUTSIDE DIAMETER0.585 INCHES NOMINAL IN
COLORWHITE OR TAN FIRST POSITION COVER SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR1330 SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE00 AWG SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
20GAUpgraded Successor
successor cross-reference
successor
MILW8777Upgraded Successor
successor cross-reference
successor
L443D16Upgraded Successor
successor cross-reference
successor
MTSK1927ADDInterchangeable
interchangeable cross-reference
interchangeable
W77-14Interchangeable
interchangeable cross-reference
interchangeable
PP13571Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W77-1/0?
W77-1/0 is a W77-1/0.
What parts can replace W77-1/0?
There are 23 known substitutes for W77-1/0: 20GA, MILW8777, L443D16 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W77-1/0?
W77-1/0 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-553-0827. 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