PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-M-10304/6Voltmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-237-8899 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-237-8899 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-237-8899. Primary manufacturer part number: MIL-M-10304/6.
Features
  • Voltmeter — FSC 6625
  • Special Markings: ON BACK,SEALED DO NOT OPEN
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Dielectric Withstanding Voltage in Volts: 3000.0
  • Color: UNABLE TO DECODE
  • Scale Selection Method: TERMINAL
  • Specification/standard Data: 81349-MIL-M-10304/6 GOVERNMENT SPECIFICATION
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-237-8899, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-237-8899
Primary Part NumberMIL-M-10304/6
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
StatusACTIVE
Special MarkingsON BACK,SEALED DO NOT OPEN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Dielectric Withstanding Voltage in Volts3000.0
ColorUNABLE TO DECODE
Scale Selection MethodTERMINAL
Specification/standard Data81349-MIL-M-10304/6 GOVERNMENT SPECIFICATION
Power SourceEXTERNAL
MaterialPLASTIC
Style DesignatorROUND FLUSH MTG
FSC Application DataTEST SET,ELECT. EQUIP.
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Nuclear Hardness Critical FeatureNONHARDENED
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Movement Suspension MethodJEWEL PIVOT BASE
Meter Depth Behind Mounting Flange1.600 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Frequency Response Range+360.000 TO 440.000 HERTZ
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Sensitivity Rating4.0 VOLT-AMPERES
Circuit Current for Which DesignedAC
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Measurement Range+0.0 TO 5.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Frequency Rating400.0 HERTZ NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-555-3094
HAZMATNo
Weight0.6500 lbs
Cube0.0255 cu ft
Verified Substitutes 3
Voltmeter
Ammeter
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MIL-M-10304/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR26W005AFVVR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-10304/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-555-3094 Voltmeter
6625-00-585-9956SUCCESSOR
AMMETER
6625-01-099-3791SUCCESSOR
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-237-8899?

NSN 6625-00-237-8899 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: active.

What are the part numbers for NSN 6625-00-237-8899?

NSN 6625-00-237-8899 has 3 cross-referenced part numbers: MIL-M-10304/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR26W005AFVVR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-237-8899?

There are 3 known substitutes for 6625-00-237-8899: 6625-00-555-3094, 6625-00-585-9956, 6625-01-099-3791. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-M-10304/6?

Key specifications for MIL-M-10304/6: Special Markings: ON BACK,SEALED DO NOT OPEN; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Mounting Hole Diameter: 0.125 INCHES NOMINAL IN; Dielectric Withstanding Voltage in Volts: 3000.0. 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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