PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-10304/22Voltmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-193-7164 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-193-7164 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-193-7164. Primary manufacturer part number: MIL-PRF-10304/22.
Features
  • Voltmeter — FSC 6625
  • Mounting Hole Diameter: 0.150 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S)
  • Circuit Attachment Method and Quantity: 2 THREADED STUD AND 2 SOLDER LUG
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Measurement Range: +0.0 TO 30.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic and Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-193-7164, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-193-7164
Primary Part NumberMIL-PRF-10304/22
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Circuit Attachment Method and Quantity2 THREADED STUD AND 2 SOLDER LUG
Movement Suspension MethodJEWEL PIVOT BASE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 30.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Furnished Items and QuantityNUT 7; LOCKWASHER 5; SEAL 1
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
MaterialPLASTIC AND STEEL
Features ProvidedZERO ADJUSTER
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Circuit Current for Which DesignedDC
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Meter Depth Behind Mounting Flange1.660 INCHES MAXIMUM IN
ColorUNABLE TO DECODE
Specification/standard Data81349-MIL-M-10304/22 GOVERNMENT SPECIFICATION
Surface TreatmentPAINT
Test Data Document81349-MIL-M-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Overall Diameter3.510 INCHES MAXIMUM IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-151-7366
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJZ
Weight1.0234 lbs
Cube0.0406 cu ft
Verified Substitutes 10
No Item Name Available
Ammeter
Ammeter
6625-00-196-8943 INTERCHANGEABLE
Voltmeter
6625-00-228-8923 INTERCHANGEABLE
Voltmeter
6625-00-235-7346 INTERCHANGEABLE
Ammeter
6625-00-542-1384 INTERCHANGEABLE
Voltmeter
6625-00-643-1525 INTERCHANGEABLE
Voltmeter
6625-01-087-8221 INTERCHANGEABLE
Voltmeter
6625-01-303-4890 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-10304/22 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR34W030DCVVR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-10304/22 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-151-7366 Ammeter
6625-00-224-4531SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-894-1523SUCCESSOR
AMMETER
6625-00-196-8943INTERCHANGEABLE
VOLTMETER
6625-00-228-8923INTERCHANGEABLE
VOLTMETER
6625-00-235-7346INTERCHANGEABLE
AMMETER
6625-00-542-1384INTERCHANGEABLE
VOLTMETER
6625-00-643-1525INTERCHANGEABLE
VOLTMETER
6625-01-087-8221INTERCHANGEABLE
VOLTMETER
6625-01-303-4890INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-193-7164?

NSN 6625-00-193-7164 is a Voltmeter, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-193-7164?

NSN 6625-00-193-7164 has 3 cross-referenced part numbers: MIL-PRF-10304/22 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR34W030DCVVR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-10304/22 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-193-7164?

There are 10 known substitutes for 6625-00-193-7164: 6625-00-224-4531, 6625-00-151-7366, 6625-00-894-1523 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-10304/22?

Key specifications for MIL-PRF-10304/22: Mounting Hole Diameter: 0.150 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Circuit Attachment Method and Quantity: 2 THREADED STUD AND 2 SOLDER LUG; Movement Suspension Method: JEWEL PIVOT BASE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-193-7164 still in active supply?

NSN 6625-00-193-7164 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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