PartsTable
Technical Data Sheet
MIL-C-3458 ✓ 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 MIL-C-3458 is a the manufacturer industrial component. Key specifications include material: PAPER SECOND POSITION SECONDARY INSULATION ALL CONDUCTORS, conductor_form: SOLID ALL CONDUCTORS, conductor_quantity: 30, round_conductor_size: 22 AWG ALL CONDUCTORS, cross-sectional_shape_style: ROUND, cross_section_outside_diameter: 0.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-129-6200, 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 MIL-C-3458
NSN: 6145-00-129-6200
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPAPER SECOND POSITION SECONDARY INSULATION ALL CONDUCTORS
conductor_formSOLID ALL CONDUCTORS
conductor_quantity30
round_conductor_size22 AWG ALL CONDUCTORS
cross-sectional_shape_styleROUND
cross_section_outside_diameter0.500 INCHES NOMINAL IN
conductor_arrangement_and_quantity15 TWISTED PAIR
material_document_and_classificationQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
NSN6145-00-129-6200
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: MIL-C-3458 · 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: COPPER ALLOY 101 OR COPPER ALLOY 102 OR COPPER ALLOY 104 OR COPPER ALLOY 105 OR COPPER ALLOY 107 OR COPPER ALLOY 110 OR COPPER ALLOY 113 OR COPPER ALLOY 114 OR COPPER ALLOY 116 CORE CONDUCTOR ALL CONDUCTORS
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
CONDUCTOR FORM: SOLID ALL CONDUCTORS
ROUND CONDUCTOR SIZE: 19 AWG ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY: 10 TWISTED PAIR
CONDUCTOR QUANTITY: 20
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 101 OR COPPER ALLOY 102 OR COPPER ALLOY 104 OR COPPER ALLOY 105 OR COPPER ALLOY 107 OR COPPER ALLOY 110 OR COPPER ALLOY 113 OR COPPER ALLOY 114 OR COPPER ALLOY 116 CORE CONDUCTOR ALL CONDUCTORS
MATERIALPAPER FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
CONDUCTOR FORMSOLID ALL CONDUCTORS
ROUND CONDUCTOR SIZE19 AWG ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY10 TWISTED PAIR
MATERIALPAPER SECOND POSITION SECONDARY INSULATION ALL CONDUCTORS
CONDUCTOR QUANTITY20
CROSS SECTION OUTSIDE DIAMETER1.100 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2C-412Interchangeable
interchangeable cross-reference
interchangeable
71-638Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-3458Interchangeable
interchangeable cross-reference
interchangeable
WC-364Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-C-3458?
MIL-C-3458 is a MIL-C-3458. It is classified as a MRO (MRO_GENERAL).
What parts can replace MIL-C-3458?
There are 4 known substitutes for MIL-C-3458: 2C-412, 71-638, MIL-C-3458 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-C-3458?
MIL-C-3458 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-129-6200. This indicates validated use in U.S. government and defense supply chains.
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