PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LA1Lead,test

United Technical Laboratories · NSN 6625-00-668-6881 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-668-6881 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-668-6881. Primary manufacturer part number: LA1.
Features
  • Lead,test — FSC 6625
  • Round Conductor Size: 18 AWG SINGLE CONDUCTOR
  • Voltage Rating: 1000.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
  • Color: RED FIRST POSITION COVER SINGLE CONDUCTOR
  • Material: COTTON FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
  • Material: COPPER CORE CONDUCTOR ALL CONDUCTORS
  • Conductor Form: STRANDED SINGLE CONDUCTOR
  • Termination Type: PROD TERMINAL BOTH ENDS SINGLE CONDUCTOR
Applications
  • Applications requiring Cotton First Position Primary Insulation Single Conductor construction
General Description

The Lead,test, cataloged under National Stock Number 6625-00-668-6881, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is United Technical Laboratories. Government technical data includes 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-668-6881
Primary Part NumberLA1
Item NameLead,test
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerUnited Technical Laboratories
StatusACTIVE
Round Conductor Size18 AWG SINGLE CONDUCTOR
Voltage Rating1000.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
ColorRED FIRST POSITION COVER SINGLE CONDUCTOR
MaterialCOTTON FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Conductor FormSTRANDED SINGLE CONDUCTOR
Termination TypePROD TERMINAL BOTH ENDS SINGLE CONDUCTOR
Round Conductor Size18 AWG SINGLE CONDUCTOR
Voltage Rating1000.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
ColorRED FIRST POSITION COVER SINGLE CONDUCTOR
MaterialCOTTON FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Conductor FormSTRANDED SINGLE CONDUCTOR
Termination TypePROD TERMINAL BOTH ENDS SINGLE CONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor7050-00-933-9972 (LA1)
HAZMATNo
Verified Substitutes 6
7050-00-933-9972LA1 SUCCESSOR
Line Amplifier
Viking Technologies, Ltd.
6625-01-301-3215LA-1 SUCCESSOR
Ohmmeter
Walter G. Legge Company, Inc.
6240-00-168-07901 INTERCHANGEABLE
Lamp,incandescent
Lamptronix Co Ltd
5935-00-683-2746 INTERCHANGEABLE
Jack,telephone
5996-00-918-3695 INTERCHANGEABLE
Amplifier,direct Current
5120-01-649-6560FRS LA-1 INTERCHANGEABLE
Hammer,hand
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
LA1 United Technical Laboratories
Related Parts
SUCCESSOR 7050-00-933-9972 Line Amplifier · LA1
6625-01-301-3215SUCCESSOR
OHMMETER
LA-1
6240-00-168-0790INTERCHANGEABLE
LAMP,INCANDESCENT
1
5935-00-683-2746INTERCHANGEABLE
JACK,TELEPHONE
5996-00-918-3695INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
5120-01-649-6560INTERCHANGEABLE
HAMMER,HAND
FRS LA-1

Frequently Asked Questions

What is NSN 6625-00-668-6881?

NSN 6625-00-668-6881 is a Lead,test, manufactured by United Technical Laboratories, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-668-6881?

NSN 6625-00-668-6881 has 1 cross-referenced part number: LA1 (United Technical Laboratories).

What NSN replaces 6625-00-668-6881?

There are 6 known substitutes for 6625-00-668-6881: 7050-00-933-9972, 6625-01-301-3215, 6240-00-168-0790 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LA1?

Key specifications for LA1: Round Conductor Size: 18 AWG SINGLE CONDUCTOR; Voltage Rating: 1000.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR; Color: RED FIRST POSITION COVER SINGLE CONDUCTOR; Material: COTTON FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR. 14 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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