PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-10304/4Voltmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-450-5495 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-450-5495 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-450-5495. Primary manufacturer part number: MIL-PRF-10304/4.
Features
  • Voltmeter — FSC 6625
  • Installation Design: PANEL
  • Overall Diameter: 2.695 INCHES MAXIMUM IN
  • Scale Division Quantity: 10 SINGLE INDICATOR SINGLE RANGE
  • Mounting Stud Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Dielectric Withstanding Voltage in Volts: 3000.0
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
  • Sensitivity Rating: 150.0 MILLIVOLTS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-450-5495, 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 29 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-450-5495
Primary Part NumberMIL-PRF-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
StatusACTIVE
Installation DesignPANEL
Overall Diameter2.695 INCHES MAXIMUM IN
Scale Division Quantity10 SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Dielectric Withstanding Voltage in Volts3000.0
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Sensitivity Rating150.0 MILLIVOLTS
Meter Depth Behind Mounting Flange1.600 INCHES MAXIMUM IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Stud Length0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Mounting Facility Type and Quantity3 THREADED STUD(S)
Movement Suspension MethodJEWEL PIVOT BASE
Circuit Attachment Method and Quantity2 BINDING POST
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Features ProvidedMAGNETIC SHIELD
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Measurement Range+0.0 TO 10.0 KILOVOLTS, DC SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Installation DesignPANEL
Overall Diameter2.695 INCHES MAXIMUM IN
Scale Division Quantity10 SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Dielectric Withstanding Voltage in Volts3000.0
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Sensitivity Rating150.0 MILLIVOLTS
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-555-3095
HAZMATNo
Verified Substitutes 1
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-10304/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILM10304-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR26S010DCKVR 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 6625-00-450-5495?

NSN 6625-00-450-5495 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 6625-00-450-5495?

NSN 6625-00-450-5495 has 3 cross-referenced part numbers: MIL-PRF-10304/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILM10304-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR26S010DCKVR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-450-5495?

There is 1 known substitute for 6625-00-450-5495: 6625-00-555-3095. Verify interchangeability with system specifications before substitution.

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

Key specifications for MIL-PRF-10304/4: Installation Design: PANEL; Overall Diameter: 2.695 INCHES MAXIMUM IN; Scale Division Quantity: 10 SINGLE INDICATOR SINGLE RANGE; Mounting Stud Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. 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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