PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25-801860-3Voltmeter

General Dynamics Mission Systems, Inc. · NSN 6625-00-073-9982 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-073-9982 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-073-9982. Primary manufacturer part number: 25-801860-3.
Features
  • Voltmeter — FSC 6625
  • Mounting Hole Diameter: 0.150 INCHES NOMINAL IN
  • Features Provided: ZERO ADJUSTER
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Power Source: EXTERNAL
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Measurement Range: +0.0 TO 30.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-073-9982, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Dynamics Mission Systems, Inc.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-073-9982
Primary Part Number25-801860-3
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Features ProvidedZERO ADJUSTER
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Power SourceEXTERNAL
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 30.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Circuit Attachment Method and Quantity2 THREADED STUD
Overall Diameter3.510 INCHES MAXIMUM IN
Installation DesignPANEL
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Furnished Items and QuantityNUT 3; WASHER 3
FSC Application DataELECTRICAL AND ELECTRONIC PROPERTIES MEASURING AND TESTING INSTRUMENTS
Sensitivity Rating50.0 MICROAMPERES
Indicator TypeDIAL W/POINTER
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.281 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Nuclear Hardness Critical FeatureNONHARDENED
Surface TreatmentENAMEL SEMIGLOSS
ColorUNABLE TO DECODE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Circuit Current for Which DesignedDC
Movement TypeMOVING COIL, PERMANENT MAGNET
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
Ammeter
Contact,electrical
5999-00-265-6541365 SUCCESSOR
Clip,electrical
Lucent Technologies Inc Corporate Headquarters
Circuit Card Assembly
5999-00-577-74186044863 SUCCESSOR
Clip,electrical
Lockheed Martin Corporation Div Rotary and Mission Systems
6625-00-768-28572062224 SUCCESSOR
Voltmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-01-128-7574321-HR-0 TO 25VAC RECTIFIED SUCCESSOR
Voltmeter
Triplett (bluffton) Corporation Dba Lfe Instruments
5999-01-295-5489645A713H04 SUCCESSOR
Heat Sink,electrical-Electronic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Processor,file Server
6625-00-091-9968557955-1 INTERCHANGEABLE
Meter,special Scale
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
196760 Custom Metering Company Inc (USA)
25SR Bach-Simpson Ltd (CAN)
321 HR Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
196760 Metermaster Inc Metermod Div (USA)
365 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
196760 Solartron Electronics Inc Weston Instruments Div (USA)
25-801860-3 PRIMARY General Dynamics Mission Systems, Inc. (USA)
25-801860-3 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
25R Simpson Electric Company, Inc. (USA)
631 Phaostron Instrument and Electronic Company (USA)
R-330 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
Related Parts
6625-00-668-9246SUCCESSOR
AMMETER
5999-00-035-8721SUCCESSOR
CONTACT,ELECTRICAL
5999-00-265-6541SUCCESSOR
CLIP,ELECTRICAL
365
5998-00-350-1454SUCCESSOR
CIRCUIT CARD ASSEMBLY
5999-00-577-7418SUCCESSOR
CLIP,ELECTRICAL
6044863
6625-00-768-2857SUCCESSOR
VOLTMETER
2062224
6625-01-128-7574SUCCESSOR
VOLTMETER
321-HR-0 TO 25VAC RECTIFIED
5999-01-295-5489SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
645A713H04
7025-01-682-2307SUCCESSOR
PROCESSOR,FILE SERVER
6625-00-091-9968INTERCHANGEABLE
METER,SPECIAL SCALE
557955-1
6625-00-103-0327INTERCHANGEABLE
METER,ARBITRARY SCALE
10279474
6625-00-115-9344INTERCHANGEABLE
METER,NULL

Frequently Asked Questions

What is NSN 6625-00-073-9982?

NSN 6625-00-073-9982 is a Voltmeter, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-073-9982?

NSN 6625-00-073-9982 has 11 cross-referenced part numbers: 196760 (Custom Metering Company Inc), 25SR (Bach-Simpson Ltd), 321 HR (Triplett (bluffton) Corporation Dba Lfe Instruments), 196760 (Metermaster Inc Metermod Div), 365 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging) and 6 more.

What NSN replaces 6625-00-073-9982?

There are 12 known substitutes for 6625-00-073-9982: 6625-00-668-9246, 5999-00-035-8721, 5999-00-265-6541 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25-801860-3?

Key specifications for 25-801860-3: Mounting Hole Diameter: 0.150 INCHES NOMINAL IN; Features Provided: ZERO ADJUSTER; Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE; Movement Suspension Method: JEWEL PIVOT BASE. 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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