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Technical Data Sheet
PartsTable / MRO / 3978-2
3978-2 ✓ Verified by PartsTable
Clementoni · 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 3978-2 is a Clementoni industrial component. Key specifications include material: COPPER CORE SHIELD SOLID CABLE, temp_rating: -55.0 CELSIUS AND 125.0 CELSIUS DEGC, conductor_form: SOLID ALL CONDUCTORS, voltage_rating: 300.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS, surface_treatment: TIN ALLOY CORE CONDUCTOR ALL CONDUCTORS, conductor_quantity: 120. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-482-0776, 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→ 3978-2
NSN: 6145-01-482-0776
FSC: 6145
CAGE: 0HHJ2 — ELMEC MFG (USA)
SPECIFICATIONS
materialCOPPER CORE SHIELD SOLID CABLE
temp_rating-55.0 CELSIUS AND 125.0 CELSIUS DEGC
conductor_formSOLID ALL CONDUCTORS
voltage_rating300.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
surface_treatmentTIN ALLOY CORE CONDUCTOR ALL CONDUCTORS
conductor_quantity120
round_conductor_size32 AWG ALL CONDUCTORS
end_item_identificationF/A-18E/F
cross-sectional_shape_styleRECTANGULAR
criticality_code_justificationAGAV
accessory_wire_type_and_quantity4 GROUND
material_document_and_classificationQQ-W-343 FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
NSN6145-01-482-0776
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 3978-2 · Clementoni ⚠ 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 QUANTITY: 120
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
•
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-343 FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
•
CONDUCTOR FORM: SOLID ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR QUANTITY120
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
MATERIALPLASTIC POLYIMIDE CORE PRIMARY INSULATION CABLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-343 FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
PART NAME ASSIGNED BY CONTROLLING AGENCYCABLE, SPECIAL PURPOSE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-46112 MIL SPEC SINGLE MATERIAL RESPONSE CORE PRIMARY INSULATION CABLE
CONDUCTOR FORMSOLID ALL CONDUCTORS
MATERIALCOPPER CORE SHIELD SOLID CABLE
VOLTAGE RATING300.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
3978-1Upgraded Successor
successor cross-reference
successor
3978-2Upgraded Successor
successor cross-reference
successor
PC78313-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3978-2?
3978-2 is a 3978-2 manufactured by Clementoni. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3978-2?
There are 3 known substitutes for 3978-2: 3978-1, 3978-2, PC78313-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 3978-2?
3978-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-482-0776. 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