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Technical Data Sheet
PartsTable / COMPONENT / M17/126-RG391
M17/126-RG391 ✓ 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 M17/126-RG391 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-196-4697, 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
M17/126-RG391
NSN: 6145-00-196-4697
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM17/126-RG391
NSN6145-00-196-4697
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: M17/126-RG391 · 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 SECTION OUTSIDE DIAMETER: 0.415 INCHES NOMINAL IN
•
ELECTRICAL RESISTANCE: 72.0 OHMS IMPEDANCE
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
•
SURFACE TREATMENT: TIN CORE CONDUCTOR SINGLE CONDUCTOR
•
CONDUCTOR QUANTITY: 1
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 1 COAXIAL
•
STRAND AWG SIZE PER CONDUCTOR: 26 SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS SECTION OUTSIDE DIAMETER0.415 INCHES NOMINAL IN
ELECTRICAL RESISTANCE72.0 OHMS IMPEDANCE
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
SPECIAL FEATURESJACKET COLOR BLACK
SURFACE TREATMENTTIN CORE CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR QUANTITY1
CONDUCTOR ARRANGEMENT AND QUANTITY1 COAXIAL
STRAND AWG SIZE PER CONDUCTOR26 SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUND
STRAND QUANTITY PER CONDUCTOR7 SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
21-467Upgraded Successor
successor cross-reference
successor
MIL-C-17Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-17/126Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-17/126Interchangeable
interchangeable cross-reference
interchangeable
3P96008-117Interchangeable
interchangeable cross-reference
interchangeable
1080H38H38Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M17/126-RG391?
M17/126-RG391 is a M17/126-RG391.
What parts can replace M17/126-RG391?
There are 7 known substitutes for M17/126-RG391: 21-467, MIL-C-17, MIL-DTL-17/126 and 4 more. Substitute compatibility should be verified for your specific system.
Is M17/126-RG391 still available?
M17/126-RG391 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