PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

07490Voltmeter

Simpson Electric Company, Inc. · NSN 6625-00-901-8672 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-901-8672 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-901-8672. Primary manufacturer part number: 07490.
Features
  • Voltmeter — FSC 6625
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Mounting Stud Diameter: 0.112 INCHES NOMINAL IN
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Power Source: EXTERNAL
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Movement Suspension Method: JEWEL PIVOT BASE
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-901-8672, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-901-8672
Primary Part Number07490
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Nuclear Hardness Critical FeatureNONHARDENED
Movement Suspension MethodJEWEL PIVOT BASE
MaterialPLASTIC
Style DesignatorRECTANGULAR FLUSH MTG
ColorUNABLE TO DECODE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Indicator TypeDIAL W/POINTER
FSC Application DataTEST SET,ELECTRONIC EQUIPMENT
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Sensitivity Rating2000.0 OHMS PER VOLT
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Measurement Range+0.0 TO 750.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Circuit Current for Which DesignedDC
Center to Center Distance Between Mounting Facilities Parallel to Length2.240 INCHES NOMINAL IN
Mounting Stud Length0.530 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.360 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeLN
Verified Substitutes 12
Clip,electrical
6625-01-108-655900260 SUCCESSOR
Ammeter
Simpson Electric Company, Inc.
6625-00-218-6511458-0637-00 INTERCHANGEABLE
Meter,null
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-243-347105010 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
6625-00-470-843507600 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
6625-00-495-2364 INTERCHANGEABLE
Ohmmeter
6625-00-580-4477 INTERCHANGEABLE
Voltmeter
6625-00-581-8329 INTERCHANGEABLE
Ammeter
5999-00-621-3276379115PC1 INTERCHANGEABLE
Clip,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-00-643-0625 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
27 Simpson Electric Company, Inc. (USA)
27-7490 Simpson Electric Company, Inc. (USA)
27-0-750VDC Simpson Electric Company, Inc. (USA)
27-07490 Simpson Electric Company, Inc. (USA)
07490 PRIMARY Simpson Electric Company, Inc. (USA)
Related Parts
5999-01-093-9473SUCCESSOR
CLIP,ELECTRICAL
6625-01-108-6559SUCCESSOR
AMMETER
00260
6625-00-218-6511INTERCHANGEABLE
METER,NULL
458-0637-00
6625-00-243-3471INTERCHANGEABLE
AMMETER
05010
6625-00-470-8435INTERCHANGEABLE
VOLTMETER
07600
6625-00-495-2364INTERCHANGEABLE
OHMMETER
6625-00-580-4477INTERCHANGEABLE
VOLTMETER
6625-00-581-8329INTERCHANGEABLE
AMMETER
5999-00-621-3276INTERCHANGEABLE
CLIP,ELECTRICAL
379115PC1
6625-00-643-0625INTERCHANGEABLE
VOLTMETER
6625-00-684-2837INTERCHANGEABLE
VOLTMETER
6625-00-815-3185INTERCHANGEABLE
GALVANOMETER

Frequently Asked Questions

What is NSN 6625-00-901-8672?

NSN 6625-00-901-8672 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 6625-00-901-8672?

NSN 6625-00-901-8672 has 5 cross-referenced part numbers: 27 (Simpson Electric Company, Inc.), 27-7490 (Simpson Electric Company, Inc.), 27-0-750VDC (Simpson Electric Company, Inc.), 27-07490 (Simpson Electric Company, Inc.), 07490 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-901-8672?

There are 12 known substitutes for 6625-00-901-8672: 5999-01-093-9473, 6625-01-108-6559, 6625-00-218-6511 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 07490?

Key specifications for 07490: Overall Width: 3.000 INCHES NOMINAL IN; Circuit Attachment Method and Quantity: 2 THREADED STUD; Mounting Stud Diameter: 0.112 INCHES NOMINAL IN; Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE. 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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