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Technical Data Sheet
PartsTable / COMPONENT / J-W-1177/15-31-M
J-W-1177/15-31-M ✓ 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 J-W-1177/15-31-M is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-937-7852, 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
J-W-1177/15-31-M
NSN: 6145-00-937-7852
FSC: 6145
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberJ-W-1177/15-31-M
NSN6145-00-937-7852
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: J-W-1177/15-31-M · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
MATERIAL: PLASTIC POLYIMIDE FIRST POSITION COATING SINGLE CONDUCTOR
•
CROSS SECTION OUTSIDE DIAMETER: 0.010 INCHES NOMINAL IN
•
ROUND CONDUCTOR SIZE: 31 AWG SINGLE CONDUCTOR
•
CONDUCTOR FORM: SOLID SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MATERIALPLASTIC POLYIMIDE FIRST POSITION COATING SINGLE CONDUCTOR
CROSS SECTION OUTSIDE DIAMETER0.010 INCHES NOMINAL IN
SPECIAL FEATURESCLASS 220 AND TYPE M PACKED FOR ISSUE ON AN 8 POUND (NOMINAL WEIGHT PER TALBE 16 OF J-W-1177) SPOOL LBS
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE31 AWG SINGLE CONDUCTOR
CONDUCTOR FORMSOLID SINGLE CONDUCTOR
TEMP RATING220.0 CELSIUS DEGC
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
J-W-1177/15-17-M2Upgraded Successor
successor cross-reference
successor
NEMA-MW1000Upgraded Successor
successor cross-reference
successor
J-W-1177/15Upgraded Successor
successor cross-reference
successor
LE423-20AWGUpgraded Successor
successor cross-reference
successor
J-W-1177/15-02C020Upgraded Successor
successor cross-reference
successor
MILW583Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J-W-1177/15-31-M?
J-W-1177/15-31-M is a J-W-1177/15-31-M.
What parts can replace J-W-1177/15-31-M?
There are 7 known substitutes for J-W-1177/15-31-M: J-W-1177/15-17-M2, NEMA-MW1000, J-W-1177/15 and 4 more. Substitute compatibility should be verified for your specific system.
Is J-W-1177/15-31-M still available?
J-W-1177/15-31-M 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