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Technical Data Sheet
PartsTable / COMPONENT / M13777/4-261065S
M13777/4-261065S ✓ 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 M13777/4-261065S 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 6145-00-877-9561, 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
M13777/4-261065S
NSN: 6145-00-877-9561
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM13777/4-261065S
NSN6145-00-877-9561
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: M13777/4-261065S · 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
•
VOLTAGE RATING: 600.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 26 SINGLES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
•
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
•
CONDUCTOR QUANTITY: 26
•
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
•
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
•
CROSS SECTION OUTSIDE DIAMETER: 1.080 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING600.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY26 SINGLES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
CONDUCTOR QUANTITY26
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
CROSS SECTION OUTSIDE DIAMETER1.080 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
VOLTAGE RATING600.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MIL-DTL-13777/4Interchangeable
interchangeable cross-reference
interchangeable
SMC145397-1Interchangeable
interchangeable cross-reference
interchangeable
MILC13777Interchangeable
interchangeable cross-reference
interchangeable
241215SInterchangeable
interchangeable cross-reference
interchangeable
M13777/4-241215SInterchangeable
interchangeable cross-reference
interchangeable
MILC13777-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M13777/4-261065S?
M13777/4-261065S is a M13777/4-261065S.
What parts can replace M13777/4-261065S?
There are 7 known substitutes for M13777/4-261065S: MIL-DTL-13777/4, SMC145397-1, MILC13777 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M13777/4-261065S?
M13777/4-261065S is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-877-9561. 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