PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

304-0-500VACVoltmeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-063-0687 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-063-0687 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-063-0687. Primary manufacturer part number: 304-0-500VAC.
Features
  • Voltmeter — FSC 6625
  • Features Provided: ZERO ADJUSTER
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Power Source: EXTERNAL
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Measurement Range: +0.0 TO 500.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Style Designator: ROUND FLUSH MTG
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-063-0687, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Solartron Electronics Inc Weston Instruments Div. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-063-0687
Primary Part Number304-0-500VAC
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Features ProvidedZERO ADJUSTER
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Measurement Range+0.0 TO 500.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Style DesignatorROUND FLUSH MTG
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionDUST RESISTANT
Meter Body Diameter Behind Mounting Flange2.760 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Overall Diameter3.510 INCHES NOMINAL IN
MaterialPLASTIC
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Circuit Current for Which DesignedAC
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Meter Depth Behind Mounting Flange1.590 INCHES NOMINAL IN
Installation DesignPANEL
Sensitivity Rating1000.0 OHMS PER VOLT
Movement TypeMOVING COIL, PERMANENT MAGNET
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.5200 lbs
Cube0.0416 cu ft
Verified Substitutes 6
6625-00-004-1255GS5460-553 INTERCHANGEABLE
Voltmeter
Hamilton Sundstrand Corporation Dba Collins Aerospace
6625-00-199-1778 INTERCHANGEABLE
Voltmeter
6625-00-580-5904 INTERCHANGEABLE
Ammeter
5999-00-986-0722323027 INTERCHANGEABLE
Contact,electrical
Yale Security Inc. Dba Norton Door Control
5999-01-298-2104 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-327-2916 INTERCHANGEABLE
Heat Sink-Insulator
Cross-Reference Index
Part NumberManufacturer
304-0-500VAC Solartron Electronics Inc Weston Instruments Div (USA)
304-1301117 Lockheed Martin Corp (USA)
304 Solartron Electronics Inc Weston Instruments Div (USA)
304-1301117 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
304-1301117 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
6625-00-004-1255INTERCHANGEABLE
VOLTMETER
GS5460-553
6625-00-199-1778INTERCHANGEABLE
VOLTMETER
6625-00-580-5904INTERCHANGEABLE
AMMETER
5999-00-986-0722INTERCHANGEABLE
CONTACT,ELECTRICAL
323027
5999-01-298-2104INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-327-2916INTERCHANGEABLE
HEAT SINK-INSULATOR

Frequently Asked Questions

What is NSN 6625-00-063-0687?

NSN 6625-00-063-0687 is a Voltmeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-063-0687?

NSN 6625-00-063-0687 has 5 cross-referenced part numbers: 304-0-500VAC (Solartron Electronics Inc Weston Instruments Div), 304-1301117 (Lockheed Martin Corp), 304 (Solartron Electronics Inc Weston Instruments Div), 304-1301117 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), 304-1301117 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-063-0687?

There are 6 known substitutes for 6625-00-063-0687: 6625-00-004-1255, 6625-00-199-1778, 6625-00-580-5904 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 304-0-500VAC?

Key specifications for 304-0-500VAC: Features Provided: ZERO ADJUSTER; Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE; Power Source: EXTERNAL; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S). 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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