PartsTable
Technical Data Sheet
PartsTable / MRO / BUB728N9
BUB728N9 ✓ 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 BUB728N9 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: -55.0 CELSIUS AND 115.0 CELSIUS DEGC, conductor_form: STRANDED SINGLE CONDUCTOR, voltage_rating: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR, surface_treatment: TIN CORE CONDUCTOR SINGLE CONDUCTOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-669-6710, 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→ BUB728N9
NSN: 6145-00-669-6710
FSC: 6145
CAGE: 90484 — RSCC WIRE & CABLE LLC (USA)
SPECIFICATIONS
colorWHITE FIRST POSITION COVER SINGLE CONDUCTOR
materialCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
temp_rating-55.0 CELSIUS AND 115.0 CELSIUS DEGC
conductor_formSTRANDED SINGLE CONDUCTOR
voltage_rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
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
cross_section_outside_diameter0.064 INCHES NOMINAL IN
material_document_and_classificationMIL-M-20693,TYPE 3 GRADE E MIL SPEC SINGLE MATERIAL RESPONSE SECOND POSITION JACKET SINGLE CONDUCTOR
NSN6145-00-669-6710
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: BUB728N9 · 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: -55.0 CELSIUS AND 115.0 CELSIUS DEGC
•
ROUND CONDUCTOR SIZE: 20 AWG SINGLE CONDUCTOR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-20693,TYPE 3 GRADE E MIL SPEC SINGLE MATERIAL RESPONSE SECOND POSITION JACKET SINGLE CONDUCTOR
•
MATERIAL: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
•
SURFACE TREATMENT: TIN CORE CONDUCTOR SINGLE CONDUCTOR
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
•
VOLTAGE RATING: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-55.0 CELSIUS AND 115.0 CELSIUS DEGC
ROUND CONDUCTOR SIZE20 AWG SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693,TYPE 3 GRADE E MIL SPEC SINGLE MATERIAL RESPONSE SECOND POSITION JACKET SINGLE CONDUCTOR
MATERIALCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
SURFACE TREATMENTTIN CORE CONDUCTOR SINGLE CONDUCTOR
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
VOLTAGE RATING600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
COLORWHITE FIRST POSITION COVER SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
MIL-W-16878/17Upgraded Successor
successor cross-reference
successor
3003101Upgraded Successor
successor cross-reference
successor
W11-1-12Upgraded Successor
successor cross-reference
successor
W11/1/12Upgraded Successor
successor cross-reference
successor
M16878/17BLG9Upgraded Successor
successor cross-reference
successor
439-7037-000Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BUB728N9?
BUB728N9 is a BUB728N9. It is classified as a MRO (MRO_GENERAL).
What parts can replace BUB728N9?
There are 33 known substitutes for BUB728N9: MIL-W-16878/17, 3003101, W11-1-12 and 30 more. Substitute compatibility should be verified for your specific system.
Is BUB728N9 still available?
BUB728N9 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026