PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-M-10304/37Voltmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-01-216-2441 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-216-2441 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-216-2441. Primary manufacturer part number: MIL-M-10304/37.
Features
  • Voltmeter — FSC 6625
  • Circuit Current for Which Designed: DC
  • Overall Diameter: 2.695 INCHES MAXIMUM IN
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Furnished Items and Quantity: SCREWS 3; HEX NUTS 3; LOCK WASHERS 3
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Material: PLASTIC AND STEEL
  • Scale Selection Method: TERMINAL
Applications
  • Applications requiring Plastic and Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-216-2441, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-216-2441
Primary Part NumberMIL-M-10304/37
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
Circuit Current for Which DesignedDC
Overall Diameter2.695 INCHES MAXIMUM IN
Movement Suspension MethodJEWEL PIVOT BASE
Furnished Items and QuantitySCREWS 3; HEX NUTS 3; LOCK WASHERS 3
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC AND STEEL
Scale Selection MethodTERMINAL
Specification/standard Data81349-MIL-M-10304/37 GOVERNMENT SPECIFICATION
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Nuclear Hardness Critical FeatureNONHARDENED
FSC Application DataTEST SET,ELECT. EQUIP.
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Movement TypeMOVING COIL, PERMANENT MAGNET
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.).
Indicator TypeDIAL W/POINTER
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Features ProvidedZERO ADJUSTER
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.660 INCHES MAXIMUM IN
Power SourceEXTERNAL
Style DesignatorROUND FLUSH MTG
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-186-8296
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.7800 lbs
Cube0.0314 cu ft
Verified Substitutes 5
Ammeter
6625-00-032-4872 INTERCHANGEABLE
Ammeter
6625-00-186-8297 INTERCHANGEABLE
Ammeter
6625-00-231-0735 INTERCHANGEABLE
Ammeter
6625-01-209-6892 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
MIL-M-10304/37 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR24W025DCVVR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-10304/37 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-186-8296 Ammeter
6625-00-032-4872INTERCHANGEABLE
AMMETER
6625-00-186-8297INTERCHANGEABLE
AMMETER
6625-00-231-0735INTERCHANGEABLE
AMMETER
6625-01-209-6892INTERCHANGEABLE
AMMETER

Frequently Asked Questions

What is NSN 6625-01-216-2441?

NSN 6625-01-216-2441 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 6625-01-216-2441?

NSN 6625-01-216-2441 has 3 cross-referenced part numbers: MIL-M-10304/37 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR24W025DCVVR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/37 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-01-216-2441?

There are 5 known substitutes for 6625-01-216-2441: 6625-00-186-8296, 6625-00-032-4872, 6625-00-186-8297 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-M-10304/37?

Key specifications for MIL-M-10304/37: Overall Length: 2.850 INCHES MAXIMUM IN; Circuit Current for Which Designed: DC; Overall Diameter: 2.695 INCHES MAXIMUM IN; Movement Suspension Method: JEWEL PIVOT BASE. 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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