PartsTable
Technical Data Sheet
CIT 3989 ✓ 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 CIT 3989 is a the manufacturer industrial component. Key specifications include color: GREEN FIRST POSITION COVER SINGLE CONDUCTOR, material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, conductor_form: STRANDED SINGLE CONDUCTOR, voltage_rating: 5000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR, surface_treatment: TIN CORE CONDUCTOR SINGLE CONDUCTOR, round_conductor_size: 18 AWG SINGLE CONDUCTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-004-8343, 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 CIT 3989
NSN: 6145-01-004-8343
FSC: 6145
CAGE: 3S767 — CABLECO INC (USA)
SPECIFICATIONS
colorGREEN FIRST POSITION COVER SINGLE CONDUCTOR
materialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
conductor_formSTRANDED SINGLE CONDUCTOR
voltage_rating5000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
surface_treatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
round_conductor_size18 AWG SINGLE CONDUCTOR
cross-sectional_shape_styleROUND
strand_awg_size_per_conductor36 SINGLE CONDUCTOR
strand_quantity_per_conductor65 SINGLE CONDUCTOR
cross_section_outside_diameter0.144 INCHES NOMINAL IN
NSN6145-01-004-8343
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: CIT 3989 · 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
CROSS SECTION OUTSIDE DIAMETER: 0.144 INCHES NOMINAL IN
MATERIAL: COTTON FIRST POSITION SEPARATOR SINGLE CONDUCTOR
SURFACE TREATMENT: TIN CORE CONDUCTOR SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR: 36 SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR: 65 SINGLE CONDUCTOR
VOLTAGE RATING: 5000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE: 18 AWG SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
CROSS SECTION OUTSIDE DIAMETER0.144 INCHES NOMINAL IN
MATERIALCOTTON FIRST POSITION SEPARATOR SINGLE CONDUCTOR
SURFACE TREATMENTTIN CORE CONDUCTOR SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR36 SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR65 SINGLE CONDUCTOR
VOLTAGE RATING5000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE18 AWG SINGLE CONDUCTOR
MATERIALRUBBER SECOND POSITION PRIMARY INSULATION SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
8899Interchangeable
interchangeable cross-reference
interchangeable
323027Interchangeable
interchangeable cross-reference
interchangeable
7810Interchangeable
interchangeable cross-reference
interchangeable
8899-01Interchangeable
interchangeable cross-reference
interchangeable
2774332-102Interchangeable
interchangeable cross-reference
interchangeable
2091Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CIT 3989?
CIT 3989 is a CIT 3989. It is classified as a MRO (MRO_GENERAL).
What parts can replace CIT 3989?
There are 11 known substitutes for CIT 3989: 8899, 323027, 7810 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CIT 3989?
CIT 3989 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-004-8343. This indicates validated use in U.S. government and defense supply chains.
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