PartsTable
Technical Data Sheet
B-8378 ✓ 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 B-8378 is a the manufacturer industrial component. Key specifications include color: GRAY/GREY FIRST POSITION JACKET CABLE, material: PLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS, temp_rating: -20.0 CELSIUS AND 80.0 CELSIUS DEGC, conductor_form: STRANDED ALL CONDUCTORS, voltage_rating: 300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS, surface_treatment: TIN CORE CONDUCTOR ALL CONDUCTORS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-433-9840, 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 B-8378
NSN: 6145-00-433-9840
FSC: 6145
CAGE: 6Y446 — VETERAN WIRE AND CABLE CORP (USA)
SPECIFICATIONS
colorGRAY/GREY FIRST POSITION JACKET CABLE
materialPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
temp_rating-20.0 CELSIUS AND 80.0 CELSIUS DEGC
conductor_formSTRANDED ALL CONDUCTORS
voltage_rating300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
surface_treatmentTIN CORE CONDUCTOR ALL CONDUCTORS
conductor_quantity4
round_conductor_size16 AWG ALL CONDUCTORS
cross-sectional_shape_styleROUND
strand_awg_size_per_conductor29 ALL CONDUCTORS
strand_quantity_per_conductor19 ALL CONDUCTORS
cross_section_outside_diameter0.270 INCHES NOMINAL IN
NSN6145-00-433-9840
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: B-8378 · 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
STRAND AWG SIZE PER CONDUCTOR: 29 ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLE: ROUND
CONDUCTOR QUANTITY: 4
TEMP RATING: -20.0 CELSIUS AND 80.0 CELSIUS DEGC
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
COLOR: GRAY/GREY FIRST POSITION JACKET CABLE
VOLTAGE RATING: 300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY: 4 SINGLES
TECHNICAL CHARACTERISTICS (FLIS)
STRAND AWG SIZE PER CONDUCTOR29 ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR QUANTITY4
TEMP RATING-20.0 CELSIUS AND 80.0 CELSIUS DEGC
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
COLORGRAY/GREY FIRST POSITION JACKET CABLE
VOLTAGE RATING300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY4 SINGLES
CROSS SECTION OUTSIDE DIAMETER0.270 INCHES NOMINAL IN
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
A-A-1246Interchangeable
interchangeable cross-reference
interchangeable
PPP-B-1089Interchangeable
interchangeable cross-reference
interchangeable
8105-00-680-0852Interchangeable
interchangeable cross-reference
interchangeable
721-9913Interchangeable
interchangeable cross-reference
interchangeable
18994Interchangeable
interchangeable cross-reference
interchangeable
TC-100/MTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-8378?
B-8378 is a B-8378. It is classified as a MRO (MRO_GENERAL).
What parts can replace B-8378?
There are 10 known substitutes for B-8378: A-A-1246, PPP-B-1089, 8105-00-680-0852 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-8378?
B-8378 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-433-9840. This indicates validated use in U.S. government and defense supply chains.
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