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Technical Data Sheet
MILW16878TYPEB20 ✓ 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 MILW16878TYPEB20 is a the manufacturer industrial component. Key specifications include color: WHITE FIRST POSITION COVER SINGLE CONDUCTOR, material: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR, temp_rating: 105.0 CELSIUS DEGC, conductor_form: STRANDED SINGLE CONDUCTOR, voltage_rating: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR, special_features: WEAPON SYSTEM ESSENTIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-023-6577, 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 MILW16878TYPEB20
NSN: 6145-00-023-6577
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorWHITE FIRST POSITION COVER SINGLE CONDUCTOR
materialCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
temp_rating105.0 CELSIUS DEGC
conductor_formSTRANDED SINGLE CONDUCTOR
voltage_rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
special_featuresWEAPON SYSTEM ESSENTIAL
surface_treatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
round_conductor_size20 AWG SINGLE CONDUCTOR
cross-sectional_shape_styleROUND
strand_awg_size_per_conductor28 SINGLE CONDUCTOR
strand_quantity_per_conductor7 SINGLE CONDUCTOR
criticality_code_justificationFEAT
NSN6145-00-023-6577
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: MILW16878TYPEB20 · 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
TEMP RATING: 105.0 CELSIUS DEGC
CROSS-SECTIONAL SHAPE STYLE: ROUND
VOLTAGE RATING: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR: 7 SINGLE CONDUCTOR
MATERIAL: COPPER SECOND POSITION BRAID NON-METALLIC SINGLE CONDUCTOR
CROSS SECTION OUTSIDE DIAMETER: 0.105 INCHES NOMINAL IN
STRAND AWG SIZE PER CONDUCTOR: 28 SINGLE CONDUCTOR
COLOR: BROWN FIRST POSITION COVER SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING105.0 CELSIUS DEGC
CROSS-SECTIONAL SHAPE STYLEROUND
VOLTAGE RATING600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR7 SINGLE CONDUCTOR
MATERIALCOPPER SECOND POSITION BRAID NON-METALLIC SINGLE CONDUCTOR
CROSS SECTION OUTSIDE DIAMETER0.105 INCHES NOMINAL IN
STRAND AWG SIZE PER CONDUCTOR28 SINGLE CONDUCTOR
COLORBROWN FIRST POSITION COVER SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FOURTH POSITION JACKET SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4-00246-020Interchangeable
interchangeable cross-reference
interchangeable
Y1115-20-22Interchangeable
interchangeable cross-reference
interchangeable
MIL-W-16878/1Interchangeable
interchangeable cross-reference
interchangeable
010033-012Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILW16878TYPEB20?
MILW16878TYPEB20 is a MILW16878TYPEB20. It is classified as a MRO (MRO_GENERAL).
What parts can replace MILW16878TYPEB20?
There are 4 known substitutes for MILW16878TYPEB20: 4-00246-020, Y1115-20-22, MIL-W-16878/1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILW16878TYPEB20?
MILW16878TYPEB20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-023-6577. This indicates validated use in U.S. government and defense supply chains.
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