PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3220124Voltmeter

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 6625-01-046-6350 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-046-6350 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-046-6350. Primary manufacturer part number: 3220124.
Features
  • Voltmeter — FSC 6625
  • Power Source: EXTERNAL
  • Meter Depth Behind Mounting Flange: 1.380 INCHES MAXIMUM IN
  • Sensitivity Rating: 2.0 OHMS
  • Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S)
  • Furnished Items and Quantity: NUT 7; LOCKWASHER 5; SEAL 1
  • Movement Type: MOVING COIL, PERMANENT MAGNET
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-046-6350, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-046-6350
Primary Part Number3220124
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Power SourceEXTERNAL
Meter Depth Behind Mounting Flange1.380 INCHES MAXIMUM IN
Sensitivity Rating2.0 OHMS
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Furnished Items and QuantityNUT 7; LOCKWASHER 5; SEAL 1
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Meter Body Diameter Behind Mounting Flange2.760 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Measurement Range+0.0 TO 50.0 MILLIVOLTS, DC SINGLE INDICATOR SINGLE RANGE
Overall Diameter3.500 INCHES MAXIMUM IN
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Special Test FeaturesCOMPLIES WITH MIL-M-10304
Installation DesignPANEL
Scale Division Quantity8 SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
FSC Application DataTEST SET,ELECT. EQUIP.
ColorUNABLE TO DECODE
Special MarkingsON BACK,SEALED DO NOT OPEN
Nuclear Hardness Critical FeatureNONHARDENED
Surface TreatmentPAINT
MaterialSTEEL
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Mounting Hole Diameter0.166 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.9600 lbs
Cube0.0347 cu ft
Verified Substitutes 1
3030-00-528-4425228T INTERCHANGEABLE
Belt,v
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
3220124-000 Naval Sea Systems Command (USA)
3220124 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
3220124 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
908-237 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
631-E-244 Phaostron Instrument and Electronic Company (USA)
Related Parts
3030-00-528-4425INTERCHANGEABLE
BELT,V
228T

Frequently Asked Questions

What is NSN 6625-01-046-6350?

NSN 6625-01-046-6350 is a Voltmeter, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-046-6350?

NSN 6625-01-046-6350 has 5 cross-referenced part numbers: 3220124-000 (Naval Sea Systems Command), 3220124 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3220124 (Lockheed Martin Corporation Div Rms - Mitchel Field), 908-237 (Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector), 631-E-244 (Phaostron Instrument and Electronic Company).

What NSN replaces 6625-01-046-6350?

There is 1 known substitute for 6625-01-046-6350: 3030-00-528-4425. Verify interchangeability with system specifications before substitution.

What are the specifications of 3220124?

Key specifications for 3220124: Power Source: EXTERNAL; Meter Depth Behind Mounting Flange: 1.380 INCHES MAXIMUM IN; Sensitivity Rating: 2.0 OHMS; Mounting Bolt Circle Diameter: 3.160 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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