PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

420-04371Voltmeter

Phaostron Instrument and Electronic Company · NSN 6625-00-061-3904 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-061-3904 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-061-3904. Primary manufacturer part number: 420-04371.
Features
  • Voltmeter — FSC 6625
  • Scale Selection Method: TERMINAL
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S)
  • Measurement Range: +0.0 TO 150.0 VOLTS, DC SINGLE INDICATOR FIRST RANGE
  • Scale Graduation Type: LINEAR SINGLE INDICATOR ALL RANGES
  • Features Provided: ZERO ADJUSTER
  • Circuit Attachment Method and Quantity: 3 THREADED STUD
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-061-3904, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN6625-00-061-3904
Primary Part Number420-04371
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerPhaostron Instrument and Electronic Company
StatusCANCELLED
Scale Selection MethodTERMINAL
Mounting Facility Type and Quantity4 THREADED STUD(S)
Measurement Range+0.0 TO 150.0 VOLTS, DC SINGLE INDICATOR FIRST RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR ALL RANGES
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity3 THREADED STUD
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Movement Suspension MethodJEWEL PIVOT BASE
Mounting Stud Diameter0.151 INCHES NOMINAL IN
Sensitivity Rating1.0 MILLIAMPERES
Dielectric Withstanding Voltage in Volts1500.0
Mounting Stud Length0.500 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Meter Body Diameter Behind Mounting Flange3.250 INCHES NOMINAL IN
Surface TreatmentENAMEL
Circuit Current for Which DesignedDC
FSC Application DataTEST SET,ELECT. EQUIP.
ColorUNABLE TO DECODE
MaterialPLASTIC
Scale Division Quantity30 SINGLE INDICATOR FIRST RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Nuclear Hardness Critical FeatureNONHARDENED
Power SourceEXTERNAL
Meter Depth Behind Mounting Flange0.937 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Movement TypeMOVING COIL, PERMANENT MAGNET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0002 cu ft
Verified Substitutes 12
5120-00-177-9270 INTERCHANGEABLE
Hot Line Stick,exte
5330-00-489-1436 INTERCHANGEABLE
Retainer,packing
5136-00-729-5688316322 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
5133-00-827-618894164 INTERCHANGEABLE
Drill,twist
Minnesota Twist Drill Inc
5996-00-830-275511226 INTERCHANGEABLE
Amplifier Assembly
Elbitamerica, Inc.
5331-00-845-9044 INTERCHANGEABLE
O-Ring
5360-00-981-0108112-26 INTERCHANGEABLE
Spring,helical,extension
Motorola Solutions Danmark A/s
5120-01-115-2046 INTERCHANGEABLE
Socket,socket Wrench
4730-01-140-92100093130-010 INTERCHANGEABLE
Plug,pipe
Cleveland Service Center
4720-01-332-13344210106-4-4-4-24.00 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
Cross-Reference Index
Part NumberManufacturer
8495069 Us Army Aviation and Missile Command (USA)
112-26 Hewlett-Packard Company Dba HP (USA)
420-04371 PRIMARY Phaostron Instrument and Electronic Company (USA)
1120-0018 Keysight Technologies, Inc. (USA)
1120-0018 Keysight Technologies Inc (USA)
1120-0018 Hewlett-Packard Company Dba HP (USA)
Related Parts
5120-00-177-9270INTERCHANGEABLE
HOT LINE STICK,EXTE
5330-00-489-1436INTERCHANGEABLE
RETAINER,PACKING
5136-00-729-5688INTERCHANGEABLE
TAP,THREAD CUTTING
316322
5133-00-827-6188INTERCHANGEABLE
DRILL,TWIST
94164
5996-00-830-2755INTERCHANGEABLE
AMPLIFIER ASSEMBLY
11226
5331-00-845-9044INTERCHANGEABLE
O-RING
5360-00-981-0108INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
112-26
5120-01-115-2046INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4730-01-140-9210INTERCHANGEABLE
PLUG,PIPE
0093130-010
4720-01-332-1334INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4210106-4-4-4-24.00
1630-01-391-4531INTERCHANGEABLE
CAM RETRACTOR
112-26
2590-01-421-7743INTERCHANGEABLE
CABLE,INTEVEHICULAR
11226

Frequently Asked Questions

What is NSN 6625-00-061-3904?

NSN 6625-00-061-3904 is a Voltmeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-061-3904?

NSN 6625-00-061-3904 has 6 cross-referenced part numbers: 8495069 (Us Army Aviation and Missile Command), 112-26 (Hewlett-Packard Company Dba HP), 420-04371 (Phaostron Instrument and Electronic Company), 1120-0018 (Keysight Technologies, Inc.), 1120-0018 (Keysight Technologies Inc) and 1 more.

What NSN replaces 6625-00-061-3904?

There are 12 known substitutes for 6625-00-061-3904: 5120-00-177-9270, 5330-00-489-1436, 5136-00-729-5688 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 420-04371?

Key specifications for 420-04371: Overall Width: 4.250 INCHES NOMINAL IN; Scale Selection Method: TERMINAL; Mounting Facility Type and Quantity: 4 THREADED STUD(S); Special Features: RUGGEDIZED. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-061-3904 still in active supply?

NSN 6625-00-061-3904 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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