PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

861Voltmeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-643-0600 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-643-0600 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-643-0600. Primary manufacturer part number: 861.
Features
  • Voltmeter — FSC 6625
  • Meter Body Diameter Behind Mounting Flange: 3.250 INCHES NOMINAL IN
  • Installation Design: PANEL
  • Style Designator: RECTANGULAR FLUSH MTG
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.031 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Material: PLASTIC
  • Sensitivity Rating: 1000.0 OHMS PER VOLT
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-643-0600, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-643-0600
Primary Part Number861
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Meter Body Diameter Behind Mounting Flange3.250 INCHES NOMINAL IN
Installation DesignPANEL
Style DesignatorRECTANGULAR FLUSH MTG
Center to Center Distance Between Mounting Facilities Parallel to Length3.031 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
Sensitivity Rating1000.0 OHMS PER VOLT
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Meter Depth Behind Mounting Flange1.125 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Measurement Range+0.0 TO 300.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Center to Center Distance Between Mounting Facilities Parallel to Width2.672 INCHES NOMINAL IN
Scale Division Quantity60 SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
ColorUNABLE TO DECODE
Meter Body Diameter Behind Mounting Flange3.250 INCHES NOMINAL IN
Installation DesignPANEL
Style DesignatorRECTANGULAR FLUSH MTG
Center to Center Distance Between Mounting Facilities Parallel to Length3.031 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
Sensitivity Rating1000.0 OHMS PER VOLT
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Meter Depth Behind Mounting Flange1.125 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Measurement Range+0.0 TO 300.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Center to Center Distance Between Mounting Facilities Parallel to Width2.672 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-121-0510
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 11
Lead Set,test
3930-00-359-4063608922 INTERCHANGEABLE
Retainer
Caterpillar Inc Div Caterpillar Defense
6625-00-538-9864 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-580-4479 INTERCHANGEABLE
Ammeter
6625-00-620-472310793 INTERCHANGEABLE
Ammeter
Continental Electronics Corp
6625-00-620-478410812 INTERCHANGEABLE
Meter,arbitrary Scale
Continental Electronics Corp
6625-00-915-4243370-0087 INTERCHANGEABLE
Ammeter
Continental Electronics Corp
6750-01-151-3960128-210 INTERCHANGEABLE
Stabilizer,photographic
Molecular Gps Enterprises Dba Clayton Chemical
6625-01-162-660710798 INTERCHANGEABLE
Voltmeter
Continental Electronics Corp
6625-01-162-812210797 INTERCHANGEABLE
Ammeter
Continental Electronics Corp
Cross-Reference Index
Part NumberManufacturer
861 Solartron Electronics Inc Weston Instruments Div (USA)
128210 American Telephone and Telegraph Co (USA)
128210 At and T Corp (USA)
Related Parts
SUCCESSOR 6625-01-121-0510 Lead Set,test
3930-00-359-4063INTERCHANGEABLE
RETAINER
608922
6625-00-538-9864INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-580-4479INTERCHANGEABLE
AMMETER
6625-00-620-4723INTERCHANGEABLE
AMMETER
10793
6625-00-620-4784INTERCHANGEABLE
METER,ARBITRARY SCALE
10812
6625-00-915-4243INTERCHANGEABLE
AMMETER
370-0087
6750-01-151-3960INTERCHANGEABLE
STABILIZER,PHOTOGRAPHIC
128-210
6625-01-162-6607INTERCHANGEABLE
VOLTMETER
10798
6625-01-162-8122INTERCHANGEABLE
AMMETER
10797
5962-01-289-5253INTERCHANGEABLE
MICROCIRCUIT,MEMORY
51128-0210

Frequently Asked Questions

What is NSN 6625-00-643-0600?

NSN 6625-00-643-0600 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 6625-00-643-0600?

NSN 6625-00-643-0600 has 3 cross-referenced part numbers: 861 (Solartron Electronics Inc Weston Instruments Div), 128210 (American Telephone and Telegraph Co), 128210 (At and T Corp).

What NSN replaces 6625-00-643-0600?

There are 11 known substitutes for 6625-00-643-0600: 6625-01-121-0510, 3930-00-359-4063, 6625-00-538-9864 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 861?

Key specifications for 861: Meter Body Diameter Behind Mounting Flange: 3.250 INCHES NOMINAL IN; Installation Design: PANEL; Style Designator: RECTANGULAR FLUSH MTG; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.031 INCHES NOMINAL IN. 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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