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Technical Data Sheet
PartsTable / COMPONENT / WM-64A/U
WM-64A/U ✓ 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 WM-64A/U 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 6145-00-820-4544, 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
WM-64A/U
NSN: 6145-00-820-4544
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberWM-64A/U
NSN6145-00-820-4544
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: WM-64A/U · 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
•
TEMP RATING: 20.0 CELSIUS DEGC
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 10 SINGLES
•
ROUND CONDUCTOR SIZE: 24 AWG ALL CONDUCTORS
•
VOLTAGE RATING: 300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
•
MATERIAL: RUBBER BUTADIENE-STYRENE CLASS SBR FIRST POSITION JACKET CABLE
•
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
•
STRAND QUANTITY PER CONDUCTOR: 41 ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
TEMP RATING20.0 CELSIUS DEGC
CONDUCTOR ARRANGEMENT AND QUANTITY10 SINGLES
ROUND CONDUCTOR SIZE24 AWG ALL CONDUCTORS
VOLTAGE RATING300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
MATERIALRUBBER BUTADIENE-STYRENE CLASS SBR FIRST POSITION JACKET CABLE
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
STRAND QUANTITY PER CONDUCTOR41 ALL CONDUCTORS
MATERIALCOPPER ALLOY 162 CORE CONDUCTOR ALL CONDUCTORS
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
G-9490010Interchangeable
interchangeable cross-reference
interchangeable
G-9501215Interchangeable
interchangeable cross-reference
interchangeable
WM-59A/UInterchangeable
interchangeable cross-reference
interchangeable
WF-11A/UInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-10392Interchangeable
interchangeable cross-reference
interchangeable
MILM10392Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WM-64A/U?
WM-64A/U is a WM-64A/U.
What parts can replace WM-64A/U?
There are 21 known substitutes for WM-64A/U: G-9490010, G-9501215, WM-59A/U and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WM-64A/U?
WM-64A/U is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-820-4544. 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