PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

420GVoltmeter

Triplett (bluffton) Corporation Dba Lfe Instruments · NSN 6625-00-866-1518 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-866-1518 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-866-1518. Primary manufacturer part number: 420G.
Features
  • Voltmeter — FSC 6625
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Mounting Stud Diameter: 0.138 INCHES NOMINAL IN
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Style Designator: RECTANGULAR FLUSH MTG
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-866-1518, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Triplett (bluffton) Corporation Dba Lfe Instruments. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-866-1518
Primary Part Number420G
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerTriplett (bluffton) Corporation Dba Lfe Instruments
StatusCANCELLED
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
Style DesignatorRECTANGULAR FLUSH MTG
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Installation DesignPANEL
Sensitivity Rating1000.0 OHMS PER VOLT
ColorUNABLE TO DECODE
Indicator TypeDIAL W/POINTER
Nuclear Hardness Critical FeatureNONHARDENED
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Power SourceEXTERNAL
FSC Application DataELECTRICAL AND ELECTRONIC PROPERTIES MEASURING AND TESTING INSTRUMENTS
Mounting Stud Length0.546 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Meter Depth Behind Mounting Flange0.843 INCHES NOMINAL IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Reliability IndicatorESTABLISHED
Circuit Current for Which DesignedDC
Measurement Range+0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Center to Center Distance Between Mounting Facilities Parallel to Width3.562 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-735-2399 (11-6324)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0500 lbs
Cube0.1042 cu ft
Verified Substitutes 12
6625-00-060-04592960 SUCCESSOR
Voltmeter
Kay Elemetrics Corporation
6625-00-720-2246420-030 SUCCESSOR
Voltmeter
Triplett (bluffton) Corporation Dba Lfe Instruments
6625-00-735-239911-6324 SUCCESSOR
Ohmmeter
Amphenol Corp Div Amphenol Aerospace Operations
Voltmeter
Electrowriter Trans
Generator,function,electronic Te
6625-00-078-0403 INTERCHANGEABLE
Meter,special Scale
5961-00-556-0906420G INTERCHANGEABLE
Semiconductor Device,diode
Lucent Technologies Inc Corporate Headquarters
6625-00-580-1597PDB75362-126 INTERCHANGEABLE
Voltmeter
Eaton Corp Dba Eaton Aerospace Jackson
6625-00-899-806934605 INTERCHANGEABLE
Meter,special Scale
Cec Vibration Products, Llc Dba Cec Vibrations Products
Cross-Reference Index
Part NumberManufacturer
420G PRIMARY Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
185041-0103 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
420PL Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
420 Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
29 Simpson Electric Company, Inc. (USA)
Related Parts
SUCCESSOR 6625-00-735-2399 Ohmmeter · 11-6324
6625-00-060-0459SUCCESSOR
VOLTMETER
2960
6625-00-720-2246SUCCESSOR
VOLTMETER
420-030
6625-00-777-2108SUCCESSOR
VOLTMETER
5895-01-017-7020SUCCESSOR
ELECTROWRITER TRANS
6625-01-421-1761SUCCESSOR
GENERATOR,FUNCTION,ELECTRONIC TE
6625-00-078-0403INTERCHANGEABLE
METER,SPECIAL SCALE
5961-00-556-0906INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
420G
6625-00-580-1597INTERCHANGEABLE
VOLTMETER
PDB75362-126
6625-00-899-8069INTERCHANGEABLE
METER,SPECIAL SCALE
34605
7320-01-061-2947INTERCHANGEABLE
VEGETABLE PEELING MACHINE,ELECTR
SS420G
6625-01-091-1159INTERCHANGEABLE
METER,SPECIAL SCALE

Frequently Asked Questions

What is NSN 6625-00-866-1518?

NSN 6625-00-866-1518 is a Voltmeter, manufactured by Triplett (bluffton) Corporation Dba Lfe Instruments, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-866-1518?

NSN 6625-00-866-1518 has 5 cross-referenced part numbers: 420G (Triplett (bluffton) Corporation Dba Lfe Instruments), 185041-0103 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 420PL (Triplett (bluffton) Corporation Dba Lfe Instruments), 420 (Triplett (bluffton) Corporation Dba Lfe Instruments), 29 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-866-1518?

There are 12 known substitutes for 6625-00-866-1518: 6625-00-060-0459, 6625-00-720-2246, 6625-00-735-2399 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 420G?

Key specifications for 420G: Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Movement Suspension Method: JEWEL PIVOT BASE; Mounting Stud Diameter: 0.138 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-866-1518 still in active supply?

NSN 6625-00-866-1518 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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