PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

08660Voltmeter

Simpson Electric Company, Inc. · NSN 6625-00-197-4557 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-197-4557 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-197-4557. Primary manufacturer part number: 08660.
Features
  • Voltmeter — FSC 6625
  • Power Source: EXTERNAL
  • Mounting Stud Diameter: 0.112 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.240 INCHES NOMINAL IN
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Indicator Type: DIAL W/POINTER
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-197-4557, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 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
NSN6625-00-197-4557
Primary Part Number08660
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusCANCELLED
Power SourceEXTERNAL
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.240 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Indicator TypeDIAL W/POINTER
MaterialPLASTIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Stud Length0.530 INCHES NOMINAL IN
Installation DesignPANEL
Scale Division Quantity60 SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Center to Center Distance Between Mounting Facilities Parallel to Length2.240 INCHES NOMINAL IN
Measurement Range+0.0 TO 300.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.450 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
Circuit Current for Which DesignedAC
ColorUNABLE TO DECODE
Style DesignatorRECTANGULAR FLUSH MTG
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 THREADED STUD(S)
Features ProvidedZERO ADJUSTER
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6145-00-548-2928 (1008356)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.6400 lbs
Cube7.5000 cu ft
Verified Substitutes 12
6145-00-548-29281008356 SUCCESSOR
Braid,wire
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5136-00-228-1033 INTERCHANGEABLE
Tap,thread Cutting
5960-00-230-8366 INTERCHANGEABLE
Electron Tube
5950-00-264-1146 INTERCHANGEABLE
Transformer,pulse
5930-00-272-1401 INTERCHANGEABLE
Switch,toggle
5330-00-350-971110291590 INTERCHANGEABLE
Seal,plain Encased
Us Army Aviation and Missile Command
5340-01-102-92878660 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6680-01-130-32308660-000-33 INTERCHANGEABLE
Gage,liquid Quantity,float Type
Rochester Sensors, Llc
6530-01-147-49908660 INTERCHANGEABLE
Container,syringe-Hypodermic Nee
Sage Products, Llc Dba Stryker Sales, Llc
5970-01-162-958978256 INTERCHANGEABLE
Insulator
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
57-08660 Simpson Electric Company, Inc. (USA)
8660 Simpson Electric Company, Inc. (USA)
08660 PRIMARY Simpson Electric Company, Inc. (USA)
57-8660 Simpson Electric Company, Inc. (USA)
78256 Cummins Power Generation Inc. (USA)
Related Parts
SUCCESSOR 6145-00-548-2928 Braid,wire · 1008356
5136-00-228-1033INTERCHANGEABLE
TAP,THREAD CUTTING
5960-00-230-8366INTERCHANGEABLE
ELECTRON TUBE
5950-00-264-1146INTERCHANGEABLE
TRANSFORMER,PULSE
5930-00-272-1401INTERCHANGEABLE
SWITCH,TOGGLE
5330-00-350-9711INTERCHANGEABLE
SEAL,PLAIN ENCASED
10291590
5340-01-102-9287INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8660
6680-01-130-3230INTERCHANGEABLE
GAGE,LIQUID QUANTITY,FLOAT TYPE
8660-000-33
6530-01-147-4990INTERCHANGEABLE
CONTAINER,SYRINGE-HYPODERMIC NEE
8660
5970-01-162-9589INTERCHANGEABLE
INSULATOR
78256
5360-01-276-3221INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2375-00159
6515-01-316-7310INTERCHANGEABLE
SENSOR,OXYGEN MONITORING
8660

Frequently Asked Questions

What is NSN 6625-00-197-4557?

NSN 6625-00-197-4557 is a Voltmeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-197-4557?

NSN 6625-00-197-4557 has 5 cross-referenced part numbers: 57-08660 (Simpson Electric Company, Inc.), 8660 (Simpson Electric Company, Inc.), 08660 (Simpson Electric Company, Inc.), 57-8660 (Simpson Electric Company, Inc.), 78256 (Cummins Power Generation Inc.).

What NSN replaces 6625-00-197-4557?

There are 12 known substitutes for 6625-00-197-4557: 6145-00-548-2928, 5136-00-228-1033, 5960-00-230-8366 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 08660?

Key specifications for 08660: Special Features: RUGGEDIZED; Power Source: EXTERNAL; Mounting Stud Diameter: 0.112 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.240 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-197-4557 still in active supply?

NSN 6625-00-197-4557 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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