PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666193-658Voltmeter

Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc · NSN 6625-00-033-7873 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-033-7873 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-033-7873. Primary manufacturer part number: 666193-658.
Features
  • Voltmeter — FSC 6625
  • Dielectric Withstanding Voltage in Volts: 1500.0
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Measurement Range: +0.0 TO 2.5 VOLTS SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-033-7873, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, 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
NSN6625-00-033-7873
Primary Part Number666193-658
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
StatusACTIVE
Dielectric Withstanding Voltage in Volts1500.0
Movement Suspension MethodJEWEL PIVOT BASE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 2.5 VOLTS SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Circuit Current for Which DesignedDC
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Center to Center Distance Between Mounting Facilities Parallel to Width1.306 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
FSC Application DataTEST SET,ELECT. EQUIP.
Supplementary FeaturesRUGGEDIZED
Special MarkingsRED LINE AT MID SCALE; 22.5,30 AND 75 KC IN BLUE ABOVE SCALE
Power SourceEXTERNAL
MaterialSTEEL
Special Test FeaturesCONFORMS TO MIL-M-10304/24,TYPE MR13W100DCUAR
Meter Body Diameter Behind Mounting Flange1.500 INCHES NOMINAL IN
Style DesignatorRECTANGULAR FLUSH MTG
ColorUNABLE TO DECODE
Surface TreatmentENAMEL
Sensitivity Rating100.0 MICROAMPERES
Center to Center Distance Between Mounting Facilities Parallel to Length1.306 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN
Meter Depth Behind Mounting Flange1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-060-9989 (SMB423441)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 12
6625-00-060-9989SMB423441 SUCCESSOR
Meter,arbitrary Scale
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-088-7636610P SUCCESSOR
Lead Set,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Meter,arbitrary Scale
6625-00-133-4355163W003X3 SUCCESSOR
Ammeter
Prime Technology Llc
Generator,sweep
6625-00-145-1278000743 SUCCESSOR
Meter,arbitrary Scale
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
Meter,arbitrary Scale
6625-00-236-3297810003-108 SUCCESSOR
Meter,audio Level
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
6625-00-263-781672P237282-21-11 SUCCESSOR
Meter,arbitrary Scale
Herley Chicago Dba Stewart Warner Electronics
Meter,arbitrary Scale
Cross-Reference Index
Part NumberManufacturer
666193-658 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
135 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
R-131 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
163W General Resistance Inc Sub of Prime Technology Inc (USA)
611 Phaostron Instrument and Electronic Company (USA)
SP5006-001 Prime Technology Inc International Instruments Div (USA)
163W Prime Technology Llc (USA)
SP5006-001 Prime Technology Llc (USA)
Related Parts
SUCCESSOR 6625-00-060-9989 Meter,arbitrary Scale · SMB423441
6625-00-088-7636SUCCESSOR
LEAD SET,TEST
610P
6625-00-106-7549SUCCESSOR
METER,ARBITRARY SCALE
6625-00-133-4355SUCCESSOR
AMMETER
163W003X3
6625-00-138-6547SUCCESSOR
GENERATOR,SWEEP
6625-00-145-1278SUCCESSOR
METER,ARBITRARY SCALE
000743
6625-00-187-5026SUCCESSOR
METER,ARBITRARY SCALE
6625-00-236-3297SUCCESSOR
METER,AUDIO LEVEL
810003-108
6625-00-263-7816SUCCESSOR
METER,ARBITRARY SCALE
72P237282-21-11
6625-00-353-0230SUCCESSOR
METER,ARBITRARY SCALE
6625-00-437-4931SUCCESSOR
METER,ARBITRARY SCALE
315-016
6625-00-647-2657SUCCESSOR
METER,ARBITRARY SCALE
9072481

Frequently Asked Questions

What is NSN 6625-00-033-7873?

NSN 6625-00-033-7873 is a Voltmeter, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-033-7873?

NSN 6625-00-033-7873 has 8 cross-referenced part numbers: 666193-658 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 135 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), R-131 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), 163W (General Resistance Inc Sub of Prime Technology Inc), 611 (Phaostron Instrument and Electronic Company) and 3 more.

What NSN replaces 6625-00-033-7873?

There are 12 known substitutes for 6625-00-033-7873: 6625-00-060-9989, 6625-00-088-7636, 6625-00-106-7549 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 666193-658?

Key specifications for 666193-658: Dielectric Withstanding Voltage in Volts: 1500.0; Movement Suspension Method: JEWEL PIVOT BASE; Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER; Pointer Color: BLACK 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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