PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

272-50813Voltmeter

Phaostron Instrument and Electronic Company · NSN 6625-00-836-7431 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-836-7431 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-836-7431. Primary manufacturer part number: 272-50813.
Features
  • Voltmeter — FSC 6625
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Features Provided: ZERO ADJUSTER
  • Style Designator: ROUND FLUSH MTG
  • Specification/standard Data: 81349-MIL-M-10304/6 GOVERNMENT SPECIFICATION
  • Material: STEEL
  • Nuclear Hardness Critical Feature: NONHARDENED
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-836-7431, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-836-7431
Primary Part Number272-50813
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerPhaostron Instrument and Electronic Company
StatusCANCELLED
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Mounting Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Features ProvidedZERO ADJUSTER
Style DesignatorROUND FLUSH MTG
Specification/standard Data81349-MIL-M-10304/6 GOVERNMENT SPECIFICATION
MaterialSTEEL
Nuclear Hardness Critical FeatureNONHARDENED
FSC Application DataTEST SET ELECTRONIC
ColorUNABLE TO DECODE
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.).
Movement TypeMOVING IRON VANE
Power SourceEXTERNAL
Furnished Items and QuantityNUT 3; WASHER 3
Overall Diameter2.695 INCHES MAXIMUM IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.600 INCHES MAXIMUM IN
Installation DesignPANEL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 300.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedAC
Indicator TypeDIAL W/POINTER
Scale Division Quantity60 SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-023-9565
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.2600 lbs
Cube0.0319 cu ft
Verified Substitutes 12
Ammeter
Voltmeter
Ammeter
Voltmeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Cross-Reference Index
Part NumberManufacturer
272-50813 Phaostron Instrument and Electronic Company (USA)
MILM10304C1-6CMR26W3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-10304/6 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
MR266300ACVV Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6625PL1785185 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MILM10304B-MR26W300A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILM6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR26W399ACVVR Hughes Corp Div Weschler Electric (USA)
MR26W300ACVVR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR26W300ACVVR Hughes Corp Div Weschler Electric (USA)
Related Parts
SUCCESSOR 6625-00-023-9565 Voltmeter
6625-00-668-9246SUCCESSOR
AMMETER
6625-00-838-4356SUCCESSOR
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6625-01-023-2776SUCCESSOR
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6625-00-109-2061SUCCESSOR
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6625-00-144-0056SUCCESSOR
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6625-00-144-0183SUCCESSOR
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6625-00-144-0305SUCCESSOR
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6625-00-144-0323SUCCESSOR
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6625-00-144-0381SUCCESSOR
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6625-00-144-1429SUCCESSOR
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6625-00-186-8284SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-00-836-7431?

NSN 6625-00-836-7431 is a Voltmeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-836-7431?

NSN 6625-00-836-7431 has 11 cross-referenced part numbers: 272-50813 (Phaostron Instrument and Electronic Company), MILM10304C1-6CMR26W3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-10304/6 (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), MR266300ACVV (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 6625-00-836-7431?

There are 12 known substitutes for 6625-00-836-7431: 6625-00-668-9246, 6625-00-838-4356, 6625-01-023-2776 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 272-50813?

Key specifications for 272-50813: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Mounting Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Features Provided: ZERO ADJUSTER; Style Designator: ROUND FLUSH MTG. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-836-7431 still in active supply?

NSN 6625-00-836-7431 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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