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Technical Data Sheet
PartsTable / MRO / MILC13777-3
MILC13777-3 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 MILC13777-3 is a the manufacturer industrial component. Key specifications include material: COPPER CORE CONDUCTOR ALL CONDUCTORS, conductor_form: STRANDED ALL CONDUCTORS, voltage_rating: 440.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS, special_features: 3 STEEL STRANDS POSITIONED AT CENTER CORE OF EACH NO. 18 AWG COND, surface_treatment: TIN CORE CONDUCTOR ALL CONDUCTORS, conductor_quantity: 20.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-471-3952, 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
MRO→ MRO_GENERAL→ MILC13777-3
NSN: 6145-00-471-3952
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER CORE CONDUCTOR ALL CONDUCTORS
conductor_formSTRANDED ALL CONDUCTORS
voltage_rating440.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
special_features3 STEEL STRANDS POSITIONED AT CENTER CORE OF EACH NO. 18 AWG COND
surface_treatmentTIN CORE CONDUCTOR ALL CONDUCTORS
conductor_quantity20
cross-sectional_shape_styleROUND
cross_section_outside_diameter0.935 INCHES NOMINAL IN
accessory_wire_type_and_quantity39 REINFORCEMENT
conductor_arrangement_and_quantity20 SINGLES
material_document_and_classificationQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
NSN6145-00-471-3952
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: MILC13777-3 · 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
•
ROUND CONDUCTOR SIZE: 16 AWG ALL CONDUCTORS
•
STRAND AWG SIZE PER CONDUCTOR: 29 ALL CONDUCTORS
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 17 SINGLES
•
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
•
CROSS SECTION OUTSIDE DIAMETER: 0.874 INCHES NOMINAL IN
•
CONDUCTOR QUANTITY: 17
•
STRAND QUANTITY PER CONDUCTOR: 19 ALL CONDUCTORS
•
VOLTAGE RATING: 600.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
ROUND CONDUCTOR SIZE16 AWG ALL CONDUCTORS
STRAND AWG SIZE PER CONDUCTOR29 ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY17 SINGLES
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
CROSS SECTION OUTSIDE DIAMETER0.874 INCHES NOMINAL IN
CONDUCTOR QUANTITY17
STRAND QUANTITY PER CONDUCTOR19 ALL CONDUCTORS
VOLTAGE RATING600.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
8519270Interchangeable
interchangeable cross-reference
interchangeable
161065SCInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-13777/3Interchangeable
interchangeable cross-reference
interchangeable
9001221Interchangeable
interchangeable cross-reference
interchangeable
20095Interchangeable
interchangeable cross-reference
interchangeable
M13777/3-200935Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILC13777-3?
MILC13777-3 is a MILC13777-3. It is classified as a MRO (MRO_GENERAL).
What parts can replace MILC13777-3?
There are 13 known substitutes for MILC13777-3: 8519270, 161065SC, MIL-DTL-13777/3 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILC13777-3?
MILC13777-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-471-3952. 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