PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILM6Voltmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-500-0770 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-500-0770 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-500-0770. Primary manufacturer part number: MILM6.
Features
  • Voltmeter — FSC 6625
  • Circuit Current for Which Designed: DC
  • Sensitivity Rating: 1000.0 OHMS PER VOLT
  • Material: PLASTIC
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN
  • Style Designator: ROUND FLUSH MTG
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Accuracy in Percent: -2.5 TO 2.5 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-500-0770, 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 5 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: Active.

Technical Specifications
ParameterValue
NSN6625-00-500-0770
Primary Part NumberMILM6
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
Sensitivity Rating1000.0 OHMS PER VOLT
MaterialPLASTIC
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Movement TypeMOVING COIL, PERMANENT MAGNET
Accuracy in Percent-2.5 TO 2.5 AT FULL SCALE SINGLE INDICATOR ALL RANGES
ColorUNABLE TO DECODE
Measurement Range+0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 BINDING POST
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Movement Suspension MethodJEWEL PIVOT BASE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.860 INCHES NOMINAL IN
Overall Diameter2.695 INCHES NOMINAL IN
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Installation DesignPANEL
Circuit Current for Which DesignedDC
Sensitivity Rating1000.0 OHMS PER VOLT
MaterialPLASTIC
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Movement TypeMOVING COIL, PERMANENT MAGNET
Accuracy in Percent-2.5 TO 2.5 AT FULL SCALE SINGLE INDICATOR ALL RANGES
ColorUNABLE TO DECODE
Measurement Range+0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 BINDING POST
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Movement Suspension MethodJEWEL PIVOT BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-027-1783
HAZMATNo
Verified Substitutes 12
Ammeter
Voltmeter
Ammeter
Ammeter
6625-00-188-3105130001-0101 SUCCESSOR
Multimeter
Jewell Instruments Llc
Ammeter
Multimeter
Ammeter
6625-00-248-7205714343-25 SUCCESSOR
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
6625-00-248-7206714343-21 SUCCESSOR
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
MILM6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5300705-002 C Systems Llc Dba Craig Systems Dba Eastern Technologies (USA)
MR26W050DCVV Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
HS2 Marion Electric Co (USA)
3300-328288238 Department of the Air Force (USA)
Related Parts
SUCCESSOR 6625-00-027-1783 Ammeter
6625-00-668-9246SUCCESSOR
AMMETER
6625-00-838-4356SUCCESSOR
VOLTMETER
6625-01-023-2776SUCCESSOR
AMMETER
6625-00-188-3105SUCCESSOR
MULTIMETER
130001-0101
6625-00-231-0735SUCCESSOR
AMMETER
6625-00-231-4892SUCCESSOR
MULTIMETER
6625-00-241-4266SUCCESSOR
AMMETER
6625-00-248-7205SUCCESSOR
AMMETER
714343-25
6625-00-248-7206SUCCESSOR
AMMETER
714343-21
6625-00-299-6259SUCCESSOR
AMMETER
6625-00-504-0352SUCCESSOR
METER,ARBITRARY SCALE
SM-B-179241

Frequently Asked Questions

What is NSN 6625-00-500-0770?

NSN 6625-00-500-0770 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 6625-00-500-0770?

NSN 6625-00-500-0770 has 5 cross-referenced part numbers: MILM6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5300705-002 (C Systems Llc Dba Craig Systems Dba Eastern Technologies), MR26W050DCVV (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), HS2 (Marion Electric Co), 3300-328288238 (Department of the Air Force).

What NSN replaces 6625-00-500-0770?

There are 12 known substitutes for 6625-00-500-0770: 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 MILM6?

Key specifications for MILM6: Circuit Current for Which Designed: DC; Sensitivity Rating: 1000.0 OHMS PER VOLT; Material: PLASTIC; Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL 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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