PartsTable
Technical Data Sheet
1866-10 ✓ 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 1866-10 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-807-5231, 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 1866-10
NSN: 6145-00-807-5231
FSC: 6145
CAGE: 92194 — BELDEN, INC. (USA)
SPECIFICATIONS
Part Number1866-10
NSN6145-00-807-5231
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 1866-10 · 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
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE: 20 AWG SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MATERIAL: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
COLOR: VIOLET FIRST POSITION COVER SINGLE CONDUCTOR
TEMP RATING: -55.0 CELSIUS AND 115.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE20 AWG SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MATERIALCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
COLORVIOLET FIRST POSITION COVER SINGLE CONDUCTOR
MATERIALPLASTIC POLYAMIDE NYLON SECOND POSITION JACKET SINGLE CONDUCTOR
TEMP RATING-55.0 CELSIUS AND 115.0 CELSIUS DEGC
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693,TYPE 3,GRADE E MIL SPEC SINGLE MATERIAL RESPONSE SECOND POSITION JACKET SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR7 SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
M16878/17BDB9Upgraded Successor
successor cross-reference
successor
MIL-W-16878/17Upgraded Successor
successor cross-reference
successor
6145PL0713951Upgraded Successor
successor cross-reference
successor
M16878/17BKE9Upgraded Successor
successor cross-reference
successor
571-0004-100Upgraded Successor
successor cross-reference
successor
GMS9-10B14-9Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1866-10?
1866-10 is a 1866-10. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1866-10?
There are 21 known substitutes for 1866-10: M16878/17BDB9, MIL-W-16878/17, 6145PL0713951 and 18 more. Substitute compatibility should be verified for your specific system.
Is 1866-10 still available?
1866-10 is currently cancelled.
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