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Technical Data Sheet
PartsTable / COMPONENT / WM-70B/U
WM-70B/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-70B/U is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-542-6098, 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-70B/U
NSN: 6145-00-542-6098
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberWM-70B/U
NSN6145-00-542-6098
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: WM-70B/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
•
MATERIAL: RUBBER BUTADIENE-STYRENE CLASS SBR FIRST POSITION JACKET CABLE
•
TEMP RATING: 20.0 CELSIUS DEGC
•
STRAND AWG SIZE PER CONDUCTOR: 40 ALL CONDUCTORS
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 8 SINGLES
•
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
•
VOLTAGE RATING: 300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
•
CROSS SECTION OUTSIDE DIAMETER: 0.285 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-STYRENE CLASS SBR FIRST POSITION JACKET CABLE
TEMP RATING20.0 CELSIUS DEGC
STRAND AWG SIZE PER CONDUCTOR40 ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY8 SINGLES
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
MATERIALRUBBER BUTADIENE-STYRENE CLASS SBR FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
VOLTAGE RATING300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
CROSS SECTION OUTSIDE DIAMETER0.285 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 162 CORE CONDUCTOR ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
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
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WM-70B/U?
WM-70B/U is a WM-70B/U.
What parts can replace WM-70B/U?
There are 23 known substitutes for WM-70B/U: G-9490010, G-9501215, WM-59A/U and 20 more. Substitute compatibility should be verified for your specific system.
Is WM-70B/U still available?
WM-70B/U 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