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Technical Data Sheet
PartsTable / MRO / 9MIL-C-3458
9MIL-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 9MIL-C-3458 is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS, conductor_form: SOLID ALL CONDUCTORS, conductor_quantity: 24, round_conductor_size: 22 AWG ALL CONDUCTORS, cross-sectional_shape_style: ROUND, conductor_arrangement_and_quantity: 12 TWISTED PAIR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-088-9287, 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→ 9MIL-C-3458
NSN: 6145-00-088-9287
FSC: 6145
CAGE: 20950 — ESPEY MFG AND ELECTRONICS CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
conductor_formSOLID ALL CONDUCTORS
conductor_quantity24
round_conductor_size22 AWG ALL CONDUCTORS
cross-sectional_shape_styleROUND
conductor_arrangement_and_quantity12 TWISTED PAIR
NSN6145-00-088-9287
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 9MIL-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 CORE CONDUCTOR ALL CONDUCTORS
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 12 TWISTED PAIR
•
COLOR CODING DOCUMENT: REA PE-23-06160 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
CROSS SECTION OUTSIDE DIAMETER: 0.720 INCHES NOMINAL IN
•
CONDUCTOR FORM: SOLID ALL CONDUCTORS
•
ROUND CONDUCTOR SIZE: 19 AWG ALL CONDUCTORS
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
MATERIALPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY12 TWISTED PAIR
COLOR CODING DOCUMENTREA PE-23-06160 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
CROSS SECTION OUTSIDE DIAMETER0.720 INCHES NOMINAL IN
CONDUCTOR FORMSOLID ALL CONDUCTORS
ROUND CONDUCTOR SIZE19 AWG ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR QUANTITY24
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
PE22Interchangeable
interchangeable cross-reference
interchangeable
9WC-429Interchangeable
interchangeable cross-reference
interchangeable
9MIL-C-3458Interchangeable
interchangeable cross-reference
interchangeable
CA25-24Interchangeable
interchangeable cross-reference
interchangeable
9WC-449Interchangeable
interchangeable cross-reference
interchangeable
9WC-404Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9MIL-C-3458?
9MIL-C-3458 is a 9MIL-C-3458. It is classified as a MRO (MRO_GENERAL).
What parts can replace 9MIL-C-3458?
There are 25 known substitutes for 9MIL-C-3458: PE22, 9WC-429, 9MIL-C-3458 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9MIL-C-3458?
9MIL-C-3458 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-088-9287. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026