PartsTable
Technical Data Sheet
C4931-18N4 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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 C4931-18N4 is a the manufacturer industrial component. Key specifications include material: COPPER FIRST POSITION SHIELD BRAID METALLIC FIRST GROUP, conductor_form: SOLID ALL CONDUCTORS, round_conductor_size: 18 AWG ALL CONDUCTORS, conductor_arrangement_and_quantity: 1 TWISTED TOGETHER W/NO OUTER COVERING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-086-6897, 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
MRO MRO_GENERAL C4931-18N4
NSN: 6145-01-086-6897
FSC: 6145
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialCOPPER FIRST POSITION SHIELD BRAID METALLIC FIRST GROUP
conductor_formSOLID ALL CONDUCTORS
conductor_quantity4
round_conductor_size18 AWG ALL CONDUCTORS
conductor_arrangement_and_quantity1 TWISTED TOGETHER W/NO OUTER COVERING
NSN6145-01-086-6897
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: C4931-18N4 · 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 FORM: SOLID ALL CONDUCTORS
MATERIAL: COPPER FIRST POSITION SHIELD BRAID METALLIC FIRST GROUP
CONDUCTOR ARRANGEMENT AND QUANTITY: 1 TWISTED TOGETHER W/NO OUTER COVERING
ROUND CONDUCTOR SIZE: 18 AWG ALL CONDUCTORS
CONDUCTOR QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR FORMSOLID ALL CONDUCTORS
MATERIALCOPPER FIRST POSITION SHIELD BRAID METALLIC FIRST GROUP
CONDUCTOR ARRANGEMENT AND QUANTITY1 TWISTED TOGETHER W/NO OUTER COVERING
ROUND CONDUCTOR SIZE18 AWG ALL CONDUCTORS
CONDUCTOR QUANTITY4
CONDUCTOR FORMSOLID ALL CONDUCTORS
MATERIALCOPPER FIRST POSITION SHIELD BRAID METALLIC FIRST GROUP
CONDUCTOR ARRANGEMENT AND QUANTITY1 TWISTED TOGETHER W/NO OUTER COVERING
ROUND CONDUCTOR SIZE18 AWG ALL CONDUCTORS
CONDUCTOR QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
30-031-12Interchangeable
interchangeable cross-reference
interchangeable
GTR88-12Interchangeable
interchangeable cross-reference
interchangeable
742D1100Interchangeable
interchangeable cross-reference
interchangeable
916-ALInterchangeable
interchangeable cross-reference
interchangeable
13136Interchangeable
interchangeable cross-reference
interchangeable
854292Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C4931-18N4?
C4931-18N4 is a C4931-18N4. It is classified as a MRO (MRO_GENERAL).
What parts can replace C4931-18N4?
There are 21 known substitutes for C4931-18N4: 30-031-12, GTR88-12, 742D1100 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C4931-18N4?
C4931-18N4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-086-6897. This indicates validated use in U.S. government and defense supply chains.
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