PartsTable
Technical Data Sheet
PartsTable / MRO / 81166S
81166S ✓ 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 81166S is a the manufacturer industrial component. Key specifications include color: BROWN FIRST POSITION COVER SINGLE CONDUCTOR, material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, temp_rating: -40.0 CELSIUS AND 80.0 CELSIUS DEGC, conductor_form: STRANDED SINGLE CONDUCTOR, voltage_rating: 50.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR, special_features: AUTOMATIVE PRIMARY WIRE TYPE GPT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-471-0429, 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→ 81166S
NSN: 6145-00-471-0429
FSC: 6145
CAGE: 64488 — PACIFIC INDUSTRIAL COMPONENTS, INC. (USA)
SPECIFICATIONS
colorBROWN FIRST POSITION COVER SINGLE CONDUCTOR
materialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
temp_rating-40.0 CELSIUS AND 80.0 CELSIUS DEGC
conductor_formSTRANDED SINGLE CONDUCTOR
voltage_rating50.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
special_featuresAUTOMATIVE PRIMARY WIRE TYPE GPT
round_conductor_size16 AWG SINGLE CONDUCTOR
end_item_identificationMRAP - COUGAR
cross-sectional_shape_styleROUND
specification/standard_data81343-SAE J1128 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
strand_awg_size_per_conductor29 SINGLE CONDUCTOR
strand_quantity_per_conductor19 SINGLE CONDUCTOR
NSN6145-00-471-0429
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 81166S · 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 SECTION OUTSIDE DIAMETER: 0.110 INCHES NOMINAL IN
•
STRAND AWG SIZE PER CONDUCTOR: 29 SINGLE CONDUCTOR
•
STRAND QUANTITY PER CONDUCTOR: 19 SINGLE CONDUCTOR
•
VOLTAGE RATING: 50.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
•
SPECIFICATION/STANDARD DATA: 81343-SAE J1128 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
•
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
•
ROUND CONDUCTOR SIZE: 16 AWG SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS SECTION OUTSIDE DIAMETER0.110 INCHES NOMINAL IN
STRAND AWG SIZE PER CONDUCTOR29 SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR19 SINGLE CONDUCTOR
VOLTAGE RATING50.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
SPECIFICATION/STANDARD DATA81343-SAE J1128 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE16 AWG SINGLE CONDUCTOR
SPECIAL FEATURESAUTOMATIVE PRIMARY WIRE TYPE GPT
COLORBROWN FIRST POSITION COVER SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
6A3369Upgraded Successor
successor cross-reference
successor
6700303Upgraded Successor
successor cross-reference
successor
81107SUpgraded Successor
successor cross-reference
successor
954Upgraded Successor
successor cross-reference
successor
81126SUpgraded Successor
successor cross-reference
successor
954WUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81166S?
81166S is a 81166S. It is classified as a MRO (MRO_GENERAL).
What parts can replace 81166S?
There are 27 known substitutes for 81166S: 6A3369, 6700303, 81107S and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81166S?
81166S is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-471-0429. 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