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Technical Data Sheet
PartsTable / MRO / BTK-26-3B-1-BLACK
BTK-26-3B-1-BLACK ✓ 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 BTK-26-3B-1-BLACK is a the manufacturer industrial component. Key specifications include color: BLACK FIRST POSITION COVER SINGLE CONDUCTOR, material: COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR, temp_rating: -65.0 CELSIUS AND 135.0 CELSIUS DEGC, conductor_form: SOLID SINGLE CONDUCTOR, voltage_rating: 300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR, precious_material: SILVER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-114-5338, 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→ BTK-26-3B-1-BLACK
NSN: 6145-01-114-5338
FSC: 6145
CAGE: 19449 — BERK-TEK, A NEXANS COMPANY DBA BERK-TEK (USA)
SPECIFICATIONS
colorBLACK FIRST POSITION COVER SINGLE CONDUCTOR
materialCOPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
temp_rating-65.0 CELSIUS AND 135.0 CELSIUS DEGC
conductor_formSOLID SINGLE CONDUCTOR
voltage_rating300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
precious_materialSILVER
surface_treatmentCOPPER ALLOY CORE CONDUCTOR SINGLE CONDUCTOR
round_conductor_size26 AWG SINGLE CONDUCTOR
cross-sectional_shape_styleROUND
departure_from_cited_documentAS MODIFIED BY O/A DIA
cross_section_outside_diameter0.027 INCHES NOMINAL IN
precious_material_and_locationSURFACE SINGLE CONDUCTOR SILVER
NSN6145-01-114-5338
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: BTK-26-3B-1-BLACK · 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: 0.027 INCHES NOMINAL IN
•
VOLTAGE RATING: 300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY O/A DIA
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B170,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
COLOR: BLACK FIRST POSITION COVER SINGLE CONDUCTOR
•
TEMP RATING: -65.0 CELSIUS AND 135.0 CELSIUS DEGC
•
ROUND CONDUCTOR SIZE: 26 AWG SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
CROSS SECTION OUTSIDE DIAMETER0.027 INCHES NOMINAL IN
VOLTAGE RATING300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY O/A DIA
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B170,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
COLORBLACK FIRST POSITION COVER SINGLE CONDUCTOR
TEMP RATING-65.0 CELSIUS AND 135.0 CELSIUS DEGC
ROUND CONDUCTOR SIZE26 AWG SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B170,ALLOY 102,GRADE 2 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MATERIALCOPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
SAE-AS81822/3Upgraded Successor
successor cross-reference
successor
KN30-130-9Upgraded Successor
successor cross-reference
successor
M81822/3-A30-9Upgraded Successor
successor cross-reference
successor
M81822/3-B24-0Upgraded Successor
successor cross-reference
successor
M81822/3-B26-9Upgraded Successor
successor cross-reference
successor
5953-1Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BTK-26-3B-1-BLACK?
BTK-26-3B-1-BLACK is a BTK-26-3B-1-BLACK. It is classified as a MRO (MRO_GENERAL).
What parts can replace BTK-26-3B-1-BLACK?
There are 25 known substitutes for BTK-26-3B-1-BLACK: SAE-AS81822/3, KN30-130-9, M81822/3-A30-9 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BTK-26-3B-1-BLACK?
BTK-26-3B-1-BLACK is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-114-5338. 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