PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

08650Voltmeter

Simpson Electric Company, Inc. · NSN 6625-00-443-6391 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-443-6391 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-443-6391. Primary manufacturer part number: 08650.
Features
  • Voltmeter — FSC 6625
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.240 INCHES NOMINAL IN
  • Style Designator: RECTANGULAR FLUSH MTG
  • Color: UNABLE TO DECODE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Meter Body Diameter Behind Mounting Flange: 2.750 INCHES NOMINAL IN
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Power Source: EXTERNAL
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-443-6391, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, 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
NSN6625-00-443-6391
Primary Part Number08650
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length2.240 INCHES NOMINAL IN
Style DesignatorRECTANGULAR FLUSH MTG
ColorUNABLE TO DECODE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
Power SourceEXTERNAL
Nuclear Hardness Critical FeatureNONHARDENED
MaterialPLASTIC
Circuit Current for Which DesignedAC
Movement TypeMOVING IRON VANE
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Stud Length0.530 INCHES NOMINAL IN
Measurement Range+0.0 TO 250.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Movement Suspension MethodJEWEL PIVOT BASE
Center to Center Distance Between Mounting Facilities Parallel to Width2.240 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Meter Depth Behind Mounting Flange1.450 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Features ProvidedZERO ADJUSTER
Installation DesignPANEL
FSC Application DataTEST SET,ELECT. EQUIP.
Center to Center Distance Between Mounting Facilities Parallel to Length2.240 INCHES NOMINAL IN
Style DesignatorRECTANGULAR FLUSH MTG
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-653-6781 (8650)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeLN
Verified Substitutes 11
6625-01-653-67818650 SUCCESSOR
Table,electrical Test and Mainte
Associated Equipment Corporation Dba Associated Equipment Corp
5136-00-228-1055 INTERCHANGEABLE
Tap,thread Cutting
5360-00-446-87897512 INTERCHANGEABLE
Spring,helical,compression
Northrop Grumman Systems Corporation Div Marine Systems
5330-00-625-92448650 INTERCHANGEABLE
Packing,preformed
James E Gasho & Associates Inc
2930-00-844-7739463365C91 INTERCHANGEABLE
Pump,cooling System,engine
Dressta North America Ltd
6680-01-017-3487 INTERCHANGEABLE
Stroboscope
5950-01-018-99958650 INTERCHANGEABLE
Transformer,audio Frequency
A M I/ Coast Magnetics Inc. Dba Coast Magnetics
5950-01-207-0929B4028228-3 INTERCHANGEABLE
Transformer,radio Frequency
Department of the Army Hq United States Army Communications Research and Development Command
5820-01-450-19318650 INTERCHANGEABLE
Printer,high Definition
Eastman Kodak Company Dba Kodak Div Federal Government Sales and Customer Service
4730-01-488-79208650 INTERCHANGEABLE
Locknut,pipe
Weldon Pump Llc
Cross-Reference Index
Part NumberManufacturer
8650-0-250VAC Simpson Electric Company, Inc. (USA)
8650 Simpson Electric Company, Inc. (USA)
57-0-250VAC Simpson Electric Company, Inc. (USA)
08650 PRIMARY Simpson Electric Company, Inc. (USA)
57-8650 Simpson Electric Company, Inc. (USA)
Related Parts
SUCCESSOR 6625-01-653-6781 Table,electrical Test and Mainte · 8650
5136-00-228-1055INTERCHANGEABLE
TAP,THREAD CUTTING
5360-00-446-8789INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7512
5330-00-625-9244INTERCHANGEABLE
PACKING,PREFORMED
8650
2930-00-844-7739INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
463365C91
6680-01-017-3487INTERCHANGEABLE
STROBOSCOPE
5950-01-018-9995INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
8650
5950-01-207-0929INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
B4028228-3
5820-01-450-1931INTERCHANGEABLE
PRINTER,HIGH DEFINITION
8650
4730-01-488-7920INTERCHANGEABLE
LOCKNUT,PIPE
8650
6130-01-656-0933INTERCHANGEABLE
POWER SUPPLY
578650

Frequently Asked Questions

What is NSN 6625-00-443-6391?

NSN 6625-00-443-6391 is a Voltmeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-443-6391?

NSN 6625-00-443-6391 has 5 cross-referenced part numbers: 8650-0-250VAC (Simpson Electric Company, Inc.), 8650 (Simpson Electric Company, Inc.), 57-0-250VAC (Simpson Electric Company, Inc.), 08650 (Simpson Electric Company, Inc.), 57-8650 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-443-6391?

There are 11 known substitutes for 6625-00-443-6391: 6625-01-653-6781, 5136-00-228-1055, 5360-00-446-8789 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 08650?

Key specifications for 08650: Center to Center Distance Between Mounting Facilities Parallel to Length: 2.240 INCHES NOMINAL IN; Style Designator: RECTANGULAR FLUSH MTG; Overall Width: 3.000 INCHES NOMINAL IN; Color: UNABLE TO DECODE. 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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