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Technical Data Sheet
PartsTable / COMPONENT / WM13777/1-040870
WM13777/1-040870 ✓ 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 WM13777/1-040870 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-811-7517, 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
WM13777/1-040870
NSN: 6145-00-811-7517
FSC: 6145
CAGE: 0FVD7 — WIREMASTERS, INC. DBA WIREMASTERS INC (USA)
SPECIFICATIONS
Part NumberWM13777/1-040870
NSN6145-00-811-7517
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: WM13777/1-040870 · 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: 4
•
CROSS SECTION OUTSIDE DIAMETER: 0.933 INCHES NOMINAL IN
•
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
•
COLOR: WHITE FOURTH POSITION COVER FOURTH CONDUCTOR
•
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
•
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR QUANTITY4
CROSS SECTION OUTSIDE DIAMETER0.933 INCHES NOMINAL IN
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
MATERIALPLASTIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
COLORWHITE FOURTH POSITION COVER FOURTH CONDUCTOR
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
COLORBLACK FIRST POSITION COVER FIRST CONDUCTOR
COLORRED THIRD POSITION COVER THIRD CONDUCTOR
CONDUCTOR ARRANGEMENT AND QUANTITY4 SINGLES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
4012Upgraded Successor
successor cross-reference
successor
63A133816P8Upgraded Successor
successor cross-reference
successor
MIL-M-38527/4Upgraded Successor
successor cross-reference
successor
68-1057Upgraded Successor
successor cross-reference
successor
216-6-11PUpgraded Successor
successor cross-reference
successor
403496Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WM13777/1-040870?
WM13777/1-040870 is a WM13777/1-040870.
What parts can replace WM13777/1-040870?
There are 23 known substitutes for WM13777/1-040870: 4012, 63A133816P8, MIL-M-38527/4 and 20 more. Substitute compatibility should be verified for your specific system.
Is WM13777/1-040870 still available?
WM13777/1-040870 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