PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-M-10304/4Voltmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-585-5289 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-585-5289 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-585-5289. Primary manufacturer part number: MIL-M-10304/4.
Features
  • Voltmeter — FSC 6625
  • Installation Design: PANEL
  • Circuit Attachment Method and Quantity: 2 BINDING POST
  • Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE
  • Scale Division Quantity: 30 SINGLE INDICATOR SINGLE RANGE
  • Mounting Bolt Circle Diameter: 2.440 INCHES NOMINAL IN
  • Dielectric Withstanding Voltage in Volts: 3000.0
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-585-5289, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-585-5289
Primary Part NumberMIL-M-10304/4
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
Installation DesignPANEL
Circuit Attachment Method and Quantity2 BINDING POST
Surface Treatment Document and ClassificationMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Dielectric Withstanding Voltage in Volts3000.0
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Indicator TypeDIAL W/POINTER
Scale Selection MethodTERMINAL
Overall Diameter2.695 INCHES MAXIMUM IN
Furnished Items and QuantityWASHERS 3,NUTS 3
Surface TreatmentENAMEL SEMIGLOSS
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
ColorUNABLE TO DECODE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Sensitivity Rating1.0 VOLT-AMPERES
Movement TypeMOVING COIL, PERMANENT MAGNET
MaterialSTEEL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 1.5 KILOVOLTS, DC SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Specification/standard Data81349-MIL-M-10304/4 GOVERNMENT SPECIFICATION
Meter Depth Behind Mounting Flange1.660 INCHES MAXIMUM IN
Power SourceEXTERNAL
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.).
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
FSC Application DataTEST SET,ELECT. EQUIP.
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-555-3095
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 1
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MIL-M-10304/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR26W1R5DCKVR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
972R102 Motorola Inc. Dba Integrated Information Systems Group (USA)
MIL-PRF-10304/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-555-3095 Voltmeter

Frequently Asked Questions

What is NSN 6625-00-585-5289?

NSN 6625-00-585-5289 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 6625-00-585-5289?

NSN 6625-00-585-5289 has 4 cross-referenced part numbers: MIL-M-10304/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR26W1R5DCKVR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 972R102 (Motorola Inc. Dba Integrated Information Systems Group), MIL-PRF-10304/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-585-5289?

There is 1 known substitute for 6625-00-585-5289: 6625-00-555-3095. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-M-10304/4?

Key specifications for MIL-M-10304/4: Installation Design: PANEL; Circuit Attachment Method and Quantity: 2 BINDING POST; Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE; Scale Division Quantity: 30 SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-585-5289 still in active supply?

NSN 6625-00-585-5289 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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