PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1857-2Wire,electrical

Belden, Inc. · NSN 6145-00-259-6946 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-259-6946 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-259-6946. Primary manufacturer part number: 1857-2.
Features
  • Wire,electrical — FSC 6145
  • Cross-Sectional Shape Style: ROUND
  • Conductor Form: STRANDED SINGLE CONDUCTOR
  • Round Conductor Size: 18 AWG SINGLE CONDUCTOR
  • Cross Section Outside Diameter: 0.068 INCHES NOMINAL IN
  • Voltage Rating: 600.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
  • Color: BLACK FIRST POSITION COVER SINGLE CONDUCTOR
  • Surface Treatment Document and Classification: MIL-T-10727,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Copper Core Conductor Single Conductor construction
General Description

The Wire,electrical, cataloged under National Stock Number 6145-00-259-6946, is classified within Federal Supply Class 6145 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Belden, Inc.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: FT.

Technical Specifications
ParameterValue
NSN6145-00-259-6946
Primary Part Number1857-2
Item NameWire,electrical
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerBelden, Inc.
StatusACTIVE
Cross-Sectional Shape StyleROUND
Conductor FormSTRANDED SINGLE CONDUCTOR
Round Conductor Size18 AWG SINGLE CONDUCTOR
Cross Section Outside Diameter0.068 INCHES NOMINAL IN
Voltage Rating600.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
ColorBLACK FIRST POSITION COVER SINGLE CONDUCTOR
Surface Treatment Document and ClassificationMIL-T-10727,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SPECIAL FEATURES
Strand Awg Size Per Conductor26 SINGLE CONDUCTOR
Temp Rating-55.0 CELSIUS AND 105.0 CELSIUS DEGC
Cross-Sectional Shape StyleROUND
Conductor FormSTRANDED SINGLE CONDUCTOR
Round Conductor Size18 AWG SINGLE CONDUCTOR
Cross Section Outside Diameter0.068 INCHES NOMINAL IN
Voltage Rating600.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
ColorBLACK FIRST POSITION COVER SINGLE CONDUCTOR
Surface Treatment Document and ClassificationMIL-T-10727,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SPECIAL FEATURES
Strand Awg Size Per Conductor26 SINGLE CONDUCTOR
Temp Rating-55.0 CELSIUS AND 105.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueFT
SMR CodeJ
Verified Substitutes 5
4730-00-542-403480GH-12-8 INTERCHANGEABLE
Adapter Bushing
Parker-Hannifin Corp Div Fluid System Connector Division
5310-00-613-8055 INTERCHANGEABLE
Washer,lock
4320-01-041-259518572 INTERCHANGEABLE
Liner,rotary Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5331-01-119-8761018572 INTERCHANGEABLE
O-Ring
Piroeff, Inc
4130-01-459-369518572 INTERCHANGEABLE
Vacu-Discs
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
1857-2 Belden, Inc. (USA)
Related Parts
4730-00-542-4034INTERCHANGEABLE
ADAPTER BUSHING
80GH-12-8
5310-00-613-8055INTERCHANGEABLE
WASHER,LOCK
4320-01-041-2595INTERCHANGEABLE
LINER,ROTARY PUMP
18572
5331-01-119-8761INTERCHANGEABLE
O-RING
018572
4130-01-459-3695INTERCHANGEABLE
VACU-DISCS
18572

Frequently Asked Questions

What is NSN 6145-00-259-6946?

NSN 6145-00-259-6946 is a Wire,electrical, manufactured by Belden, Inc., classified under FSC 6145 (No Item Name Available). Status: active.

What are the part numbers for NSN 6145-00-259-6946?

NSN 6145-00-259-6946 has 1 cross-referenced part number: 1857-2 (Belden, Inc.).

What NSN replaces 6145-00-259-6946?

There are 5 known substitutes for 6145-00-259-6946: 4730-00-542-4034, 5310-00-613-8055, 4320-01-041-2595 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1857-2?

Key specifications for 1857-2: Cross-Sectional Shape Style: ROUND; Conductor Form: STRANDED SINGLE CONDUCTOR; Special Features: PKG QTY 100 FT SPOOL FT; Round Conductor Size: 18 AWG SINGLE CONDUCTOR. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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